assignment ssc chemistry answer

SSC Chemistry 2022 Assignment Solution PDF File – 14th Week

Secondary School Certificate had to be submitted for SSC Chemistry Assignment Answer 2022 for 14th weeks. There website has been published chemistry assignment ssc full question solution 14th week. We also posted and you can get here your SSC ten class Chemistry assignment solution pictures and PDF files at chakrirkhobor.net. You want to get SSC Assignment questions and answers to keep reading below. You can get the ssc chemistry Assignment 2022 all Board.

Chemistry assignment atoms and particles: their organization, structure, properties. We try a full assignment solution for class SSC. Most of the Assignment finder many time fine Chemistry Assignment ten Class pdf download. Like different classes, the position will uncover ninth week Chemistry Assignment Answer.

SSC Chemistry Assignment Answer 2022- 14th Week

All Education Board start all subject Assignment and will end on maybe December 2022. SSC Chemistry assignments start in June and end in December 2022. Students can also check their SSC Chemistry 1st paper assignments question solve on these websites. This year newly start Assignment answer 2022 all board on their website.

How to do Chemistry Assignment Answer 2022?

It would be ideal if you’re Assignment and ensure you are following the procedure appropriately. Here you go. On the off chance that you don’t think about the SSC Class Chemistry Assignment process, this area will improve your insight in a matter of seconds.

Chemistry Assignment Solution Download 2022

All candidates who are filled the ssc Assignment application form can download your Assignment 2022 . SSC Chemistry Assignment 2022 PDF Download. SSC Education Board has recently released the notification regarding the ssc Assignment Exam solution 2022 exam dates check on the official Website. I realize who lost his employment because of lockdown. Nonetheless, since the understudies need to offer their own input, they need to reply.

How to install Chemistry Assignment for 2022?

So all People Keep read this article and know all details here. See here SSC Class Chemistry Assignment Answer, Pdf question solution; full off Marks all details given on this Page. Check also ssc Chemistry Assignment submit Date 2022 and Download link on this page. Check assignment Date Of School 2022. So all Applicants continue to read our article and know all details.

How to get Chemistry paper Assignment Answer?

Well, it’s quite obvious most of the students in Chemistry are belongs from all area, they may not have the facility of Computer, Laptop or Android MOBILE, if you are not able to check your Assignment, then you can get your schools. All education Board facilities get SSC Chemistry Answer.

When Chemistry Assignment will be Start 2022?

To whom it may concern & get bet Class Ten class Chemistry Assignment of All board and you try to see here. You cannot know to check and follow these rules.

14th Week Ten class Chemistry Assignment answer

In conclusion, Every Assignment seeker knows chakrirkhobor.net published all type of Assignment with an answer pdf file. This Notice also found on my website. Finally, you can understand get the total subject Chemistry Assignment all board 2022. So you have to connect for their address. In conclusion, for the next update about update assignment Notice. Finally 14th Week Class Chemistry Assignment etc. So stay with us.

SSC Chemistry Assignment 2021 & 2022

SSC Chemistry Assignment 2021 & 2022 question and answer is available here. SSC 2021 exam candidates and SSC 2022 exam candidates, both Chemistry 2nd week, 3rd week, 5th week, 6th week, 8th week, 9th week assignment has been published. So we give all the solutions to the SSC Chemistry Assignment .

SSC Chemistry Assignment 2021 is for SSC Exam 2021 Candidates.

SSC Chemistry Assignment 2022 is for SSC Exam 2022, Class 10 Candidates.

Both Rosayon SSC Assignment questions and answers are below.

SSC Chemistry 9th Week Assignment 2022

অ্যাসাইনমেন্টঃ প্রকৃতিতে প্রাপ্ত কপারের দুটি আইসােটোপ ভর সংখ্যা ৬৩ ও ৬৫। প্রতিটি আসােটোপের মুল কণিকার সংখ্যা, ইলেকট্রন বিন্যাসের সাহায্যে মৌলটির পর্যায় সারণিতে অবস্থান, মৌলটির বিভিন্ন শক্তিস্তর ও উপশক্তিস্তর এবং তাতে বিদ্যমান। ইলেকট্রন সংখ্যা 2n2এবং 2(21+1) সূত্রের সাহায্যে বিশ্লেষণ কর

SSC Chemistry 9th Week Assignment Answer 2022

SSC Chemistry 8th Week Assignment 2021

অ্যাসাইনমেন্ট : যৌগ গঠনের সময় অষ্টক নিয়ম ও দুই-এর নিয়ম অনুসরণ, এদের গঠন প্রক্রিয়া, পনিতে দ্রাব্যতা এবং বিদ্যুৎ পরিবাহিতা।

SSC Chemistry 8th Week Assignment 2021 Answer

SSC Chemistry 6th Week Assignment 2021

অ্যাসাইনমেন্ট: বিভিন্ন যৌগ পর্যালােচনা করে পরমাণুসমূহের যােজনী, পরিবর্তনশীল যােজনী ও সুপ্ত যােজনী এবং যৌগগুলাের মধ্যে বিদ্যমান মৌলের তেজস্ক্রিয় আসােটোপের ব্যবহার

এটি এসএসসি ২০২১ ৬ষ্ট সপ্তাহের রসায়ন এসাইনমেন্টম আপনি যদি এসএসসি ২০২২ (বর্তমান নতুন দশম শ্রেণী) এর ৬ষ্ট সপ্তাহের রসায়ন এসাইনমেন্ট উত্তর পেতে চান তাহলে নিচে দেখুন। সমাধানের সাথে সাথে উত্তরটি পেতে আমাদের গ্রুপে যোগ দিন।

SSC Chemistry 6th Week Assignment 2021 Answer

SSC Chemistry 6th Week Assignment 2022

Assignment: ল্যাবরেটরীতে নিরাপদ উপকরণের বর্ণনা, দ্রব্যের বিভিন্ন সাংকেতিক চিহ্ন, নিরাপদ উপায় সাজানোর ধারণা ও দুর্ঘটনা রোধের উপায়

এটি এসএসসি ২০২২ (বর্তমান দশম শ্রেণী) শিক্ষার্থীদের জন্য এসাইনমেন্ট। আপনি যদি এসএসসি ২০২১ পরীক্ষার্থী হয়ে থাকেন, তাহলে আপনাদের এসএসসি ২০২১ রসায়ন এসাইনমেন্ট সমাধান নিচে রয়েছে।

SSC Chemistry 6th Week Assignment 2022 Answer

SSC Chemistry 5th Week Assignment 2021

অ্যাসাইনমেন্ট : রাসায়নিক বিক্রিয়া পর্যবেক্ষণ, বিক্রিয়ার সমীকরণ ও উৎপন্ন গ্যাসের সনাক্তকরণ পদ্ধতি বর্ণনা এবং কাপড় কাচা সোডা অথবা বেকিং সোডার আনবিক ভর নির্ণয়।

SSC Chemistry 5th Week Assignment 2021 Answer

SSC Chemistry 2nd Week Assignment 2021

SSC candidates have their first assignment in the Chemistry subject in the 2nd Week. Chemistry is determined from the third chapter of the first assignment. The title of the third chapter is the structure of matter. How a substance is formed and the different states of matter are discussed in this chapter. Thus, from the 2nd-week chemistry assignment of SSC, we will learn about the composition of matter. In order to solve the SSC 2nd week chemistry assignment correctly, one has to acquire detailed knowledge about substances and the basics of matter. Otherwise, it is not possible to give the answer to SSC 2nd week chemistry assignment correctly. So before writing the solution or answer of the SSC 2nd week chemistry assignment one must acquire knowledge about the content of the assignment.

Answer: প্রতীকের পাশে উল্লেখিত ভরসংখ্যাবিশিষ্ট মৌলের নিউট্রন সংখ্যা, বাের মডেল

Chemistry has been asked to prepare a report on electron configuration as the work of the 2nd Week assignment. Some symbols and their mass numbers are mentioned as signals to create the report. These must be used to create the report. A report must be prepared on the number of neutrons in the element with the mass number mentioned next to the symbol, the atomic structure according to the model, the electron configuration at the energy level, and the electron configuration at the substratum. The numbers mentioned in the chemistry assignment are given with the help of the figure below.

Here the structure of the atom according to the Bohr model should be mentioned along with the diagram and also the electron configuration of energy level and sub-energy level should be discussed. So those examinees who are worried about SSC 2nd Week chemistry assignment should follow our instructions. We will provide guidance on the solution of the 2nd Week assignment of chemistry or writing the answer sheet. Also for the convenience of students, we will upload the solution or answer of SSC 2nd Week chemistry assignment in PDF format. If anyone wants to download the solution or answer of 2nd Week chemistry assignment then visit our website.

Students need to follow a number of guidelines for writing the solution or answer of the 2nd Week chemistry assignment. Creating a solution or answer to the assignment by following the instructions below will definitely yield excellent results. As a result, it will be helpful to make the results of SSC 2021 better. Now I will give the instructions so that the students can create chemistry assignments in a good way by following them. The answer must be the number of neutrons of 4 elements. Also the structure of the atom according to the model of 4 elements has to be described with diagrams. Electron arrangement should be shown in the energy level of 4 elements. It is also necessary to show the electron configuration of the sub-layer of 4 elements. If you follow the above guidelines and create a solution or answer sheet for the chemistry assignment, you will definitely get very good results.

We can learn a lot from the chemistry assignment of SSC 2nd Week. For example, we can calculate the number of electrons, protons and neutrons in an atom. Rutherford and Bohr will also be able to describe the atomic model of atomic structure. I can arrange the electrons of the atom in different orbits of the atom and in different layers of the orbit.

SSC Chemistry 3rd Week Assignment 2021

Chapter Four has been selected as the SSC 3rd Week chemistry assignment. That is, all the questions of the 3rd Week chemistry assignment will be asked from the fourth chapter. And if you understand the fourth chapter well, it will be easier to give the solution or answer of the 3rd Week chemistry assignment. So before making a solution or answer of the SSC 3rd Week chemistry assignment one must acquire sufficient knowledge about the fourth chapter stage table. Because if you don’t have any knowledge about the periodic table, you can’t answer any questions about the periodic tables. So if you want to give a solution or answer to SSC 3rd Week chemistry assignment, you must follow the chapter.

Answer: Li, Be, Na, Mg মৌল চারটির ইলেকট্রন বিন্যাসের আলােকে পর্যায় সারণিতে অবস্থান

A report will have to be prepared as the work of the 3rd Week chemistry assignment. Students of SSC 2021 are asked to prepare a report from the periodic table to provide solutions or answers to the 3rd Week chemistry assignment. The task of the assignment is to make a report on the position in the periodic table in the light of the electron configuration of the element, the relative ionization energy and the properties of the group or class corresponding to the element. Here is a list of the four elements that make up the report. Assignment work should be completed based on this list. That is, the report has to be prepared and submitted.

What can we learn from SSC 3rd Week chemistry assignment?

There is a lot to learn about periodic tables and different elements from the SSC 3rd Week chemistry assignment. For example, it will be able to determine the relationship of the major groups in a periodic table with the electron configuration at the external energy level of the element. Students will be able to identify the stage of an element if they can complete the 3rd Week chemistry assignment properly. Also, by knowing the position of an element in the periodic table, one can get an idea about its physical and chemical properties. So you can tell the reason for the special naming of the elements. Also be able to show interest in estimating the religion of the elements by following the periodic table.

How to prepare solution or answer sheet of SSC 3rd Week chemistry assignment? In order to solve the 3rd Week SSC 2021 Chemistry Assignment or to prepare the answer sheet, the answer sheet must present some significant issues. The issues are- to determine the stages of 4 elements including electron configuration. It is not possible to get the full number if the stages are not determined correctly. Also 4 elements including electron configuration have to be determined correctly. The ionization energy of different elements of class and stage has to be compared properly. Features must also be specified with the special names of the two groups or classes. The above issues must be mentioned in the answer sheet. Besides, it is not possible to get very good marks through assignments. So if you want to get the best results they must follow our instructions.

SSC Chemistry Assignment 2021 & 2022 Answer & Solution PDF/Image

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SSC 2022 Chemistry Assignment Answer (9th Week)

SSC 2022 Chemistry Assignment Answer: Directorate of Secondary and Higher Secondary Education is published the SSC 2022 Assignment Answer for the Chemistry Subjects. The Assignment work, Questions with solutions are available at dshe.gov.bd.

DSHE is published the SSC Chemistry 9th Week Assignment on 25th January 2022 . Students now can check the assignment question and answer from the below assignment section.

SSC Chemistry Assignment Answer 2022

The Directorate of Secondary and Higher Secondary Education is release the 9th Week chemistry assignments for the SSC Exam 2022.

According to the SSC Assignment Routine, The Chemistry assignment will be available in the Sixth, Ninth, Fourteen and Twenty weeks of the SSC Assignment Program 2022.

SSC Chemistry Assignment 2022 is now available on the website of the Directorate of Secondary and Higher Secondary Education (DSHE). Students now can check the week-based solution in the answer section.

The DSHE is released the 9th Week Assignments on 25th January 2022. The Assignment Question and answers of the 9th Week will be posted shortly.

The answers to the SSC Chemistry Assignment are now worth Marks. As a result, students will not be able to ignore the Assignment Work. In order to receive the highest possible grade, they must write the best assignment solutions. They will get marks based on their performance in the Chemistry Assignment Answer.

The primary goal of this assignment is to prepare students for the final exam of the Bangladesh Secondary School Certificate Examination. The SSC Chemistry Assignment carries a mark for students from science group.

The SSC Chemistry syllabus has shortened to benefit students taking the exams because of the COVID-19 Corona Virus.

Furthermore, DSHE will publish the assignment work on the website once a week in accordance with this syllabus.

The revised curriculum and chapters will be used in the preparation of the SSC Assignment 2022 for Chemistry Subjects in the Science Group by the Directorate of Secondary and Higher Education (DSHE).

They plan to distribute the Higher Mathematics assignment in these following weeks:

Read Also- SSC Physics Assignment Answer 2022

DSHE is published the SSC Chemistry Assignment Answer 2022 for the 9th on dshe.gov.bd. Students now can check the assignment work with solutions for the first week.

Because of the COVID-19 Corona Virus, the syllabus for SSC Chemistry subjects has been shortened for this year’s students. Further, according to the syllabus, DSHE will publish the assignment work every week on their website.

It has been decided to keep only Eights chapters for the Accounting curriculum. The Eights chapters are- First (রসায়নের ধারণা), Second (পদার্থের অবস্থা), Third (পদার্থের গঠন), Fourth (পর্যায় সারণী), Fifth (রাসায়নিক বন্ধন), Sixth (মৌলের ধারণা ও রাসায়নিক গণনা), Seventh (রাসায়নিক বিক্রিয়া), Eleventh (খনিজ সম্পদ- জীবাশ্ম)

SSC 9th Week Chemistry Assignment Answer 2022

The Ninth Week assignment for SSC batch 2022 Chemistry Subjects is published on 25th January 2022. DSHE has assigned the 9th Week Assignment from the Third Chapter (পদার্থের গঠন) of the main text book.

Students now should download the question from dshe.gov.bd. To help the students from science group, We have published the assignment question with answer for the 9th Week.

Students can view the question here in image file or download the assignment work in pdf file. They just need to follow this article for assignment question with answer. DSHE will publish the SSC Chemistry 9th Week Assignment on 25th January 2022 in pdf file on dshe.gov.bd .

Class: Ten Exam Year: SSC 2022 Subject: Chemistry Group: Science Week: 9th Week Assignment Work: প্রকৃতিতে প্রাপ্ত কপারের দুটি আইসােটোপ। ভর সংখ্যা ৬৩ ও ৬৫। প্রতিটি আসােটোপের মূল কণিকার সংখ্যা, ইলেকট্রন বিন্যাসের সাহায্যে মৌলটির পর্যায় সারণিতে অবস্থান, মৌলটির বিভিন্ন উপশক্তিস্তর এবং তাতে বিদ্যমান। ইলেকট্রন সংখ্যা 2nএবং 2(21+1) সূত্রের সাহায্যে বিশ্লেষণ কর।

Assignment Answer:

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Top 50 Chemistry Questions For SSC Exams PDF (GD, CGL, CHSL, JE, CPO, MTS)

Top 50 Chemistry Questions For SSC Exams (GD, CGL, CHSL, JE, CPO, MTS)

Download SSC Chemistry questions with answers PDF based on previous papers very useful for SSC GD, CGL, CHSL, JE, Stenographer, MTS, CPO, JE exams. 50 Very important Chemistry objective questions (MCQ’s) for SSC exams.

Download TOP 50 SSC CHEMISTRY QUESTIONS

FREE SSC EXAM YOUTUBE VIDEOS

Question 1:  What is the common characteristic of the elements of the same group in the periodic table?

a) Electrons in outer most shell

b) Total number of electrons

c) Total number of protons

d) Atomic weight

Question 2:  What happens when one S and one P orbital is hybridized?

a) We get three orbitals in a plane

b) We get two orbitals at 180 degrees

c) We get two mutually perpendicular orbitals

d) We get four orbitals directed tetrahedrally

Question 3:  Atomic bomb is based on which principle?

a) Nuclear fusion

b) Nuclear fission

c) Natural radioactivity

d) All options are correct

Question 4:  Which is used to treat Indigestion?

b) Antiseptic

c) Analgesic

d) Antibiotic

Question 5:  What does a catalyst do in a reaction?

a) A catalyst is nothing but the final product of a reaction

b) Does not alter the rate of reaction

c) Speeds up chemical reaction

d) Slows down chemical reaction

SSC GD CONSTABLE PREVIOUS PAPERS

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Question 6:  Why metals conduct electricity?

a) Because of low melting point

b) Because of high tensile strength

c) Because of free electrons

d) Because of high atomic density

Question 7:  On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because ________

a) Mercury is a metal

b) Density of mercury is greater than that of water

c) Cohesion of mercury is greater than its adhesion with glass

d) Cohesion of water is greater than its adhesion with glass

Question 8:  The (O-H) bond in C H 3 OH is which type of bond?

a) polar covalent

c) non polar covalent

d) cationic

Question 9:  Adding which substance gives blue colour to glass?

a) Manganese oxide

b) Cobalt oxide

c) Chromium oxide

d) Iron oxide

Question 10:  Terylene is a condensation polymer of ethylene glycol and which acid?

a) Benzoic Acid

b) Salicylic acid

c) Phthalic acid

d) Terephthalic acid

18000+ Questions – Free SSC Study Material

Question 11:  The conversion of hard water into soft water by boiling or adding calcium hydroxide is called _______.

a) Baker’s process

b) Temp’s process

c) Clarke’s process

d) Lake’s process

Question 12:  When cathode rays strike a target of high atomic weight, they give rise to

b) 13 and y rays

d) positive rays

Question 13:  Biofertilizers convert nitrogen to _________ .

a) nitrates

c) nitrogenase

d) amino acids

Question 14:  Which drug is used as an Anti-Inflammatory?

a) Metformin

b) Diazepam

c) Latanoprost

d) Prednisone

Question 15:  In the periodic table of elements, on moving from left to right across a period, what happens to the atomic radius?

a) decreases

b) increases

c) remains unchanged

d) does not follow a definite pattern

SSC CGL Free Mock Test

SSC CHSL Free Mock Test

Question 16:  The radio-active element used in heart pacemakers is?

a) Plutonium -238

b) Deuterium

c) Plutonium

Question 17:  Acid rain is caused due to pollution of atmosphere by

a) oxides of nitrogen and sulphur

b) oxides of nitrogen and phosphorous

c) oxides of carbon and nitrogen

d) oxides of nitrogen and methane

Question 18:  The common name of hydrogen peroxide is

b) bleach (liquid)

c) baking soda

Question 19:  Which element gives hardness to stainless steel?

Question 20:  ……………are a group of chemicals that influence cell division and shoot formation.

a) Cytokinins

b) Gibberellins

Question 21:  What is the name of the acid in an ant’s sting?

a) Acetic acid

b) Citric acid

c) Formic acid

d) Lactic acid

Question 22:  __________ is the movement of chemical in the upper layers of soil into lower layers or into groundwater by being dissolved in water.

a) infiltration

b) salinisation

c) eutrophication

d) leaching

Question 23:  ______ is used for making chemical apparatus like beakers, flasks etc.

a) Potash glass

b) Hard glass

c) Soda glass

d) Jena glass

Question 24:  The process of depositing a layer of any desired metal on another material by means of electricity is called ___________.

a) Electroplating

b) Galvanisation

d) Crystallisation

Question 25:  The element which is commonly used in nuclear for producing electricity by nuclear fission is?

b) Plutonium

d) Deuterium

1500+ Free SSC Questions & Answers

Question 26:  Which base is present in soap?

a) Sodium hydroxide

b) Silicon dioxide

c) Calcium hydroxide

d) Ammonium hydroxide

Question 27:  Which gas is produced due to incomplete combustion of fuel?

a) Carbon Dioxide

b) Carbon Monoxide

Question 28:  Magnesium oxide (MgO) + Water (H2O) = ?

a) [Mg(OH)]

b) [Mg2(OH)]

c) [Mg(O2H)2]

d) [Mg(OH)2]

100+ Free GK Tests for SSC Exams

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Question 29:  Anions are formed through which process?

a) losing of electrons

b) gaining of electrons

c) gaining of neutrons

d) losing of neutrons

Question 30:  The anode in a dry cell consists of?

d) Graphite

Question 31:  If water smells bad, then that odour can be removed by adding

c) activated carbon

d) deactivated nitrogen

Question 32:  Which bond is weakest in nature?

a) Single bond

b) Double bond

c) Triple bond

d) Hydrogen bond

Question 33:  What is the chemical name for baking soda ?

a) Sodium carbonate

b) Sodium bicarbonate

c) Sodium Nitrate

d) Sodium Nitrite

Question 34:  NaCl has which kind of bonds?

a) nonpolar bonds

b) polar covalent bonds

c) Metallic bonds

d) ionic bonds

Question 35:  Which chemical is used to generate light, to weld metals?

a) Ethylene

b) Acetylene

d) Oxalic acid

Question 36:  Ethane gas has a slightly …………taste.

Question 37:  Turquoise is an ore/mineral of

b) Manganese

Question 38:  Process of gaining electrons is known as _____.

a) oxidation

b) reduction

c) radiation

d) both oxidation and reduction

Question 39:  What does Trypsin do?

a) Breaks down Carbohydrates

b) Synthesizes proteins

c) Breaks down fats

d) Breaks down proteins

Question 40:  During which operating conditions of an automobile, carbon monoxide content in exhaust gas is maximum?

a) Acceleration

b) Cruising

c) Idle running

d) Deacceleration

Question 41:  What is the viscosity of an ideal fluid?

a) Equal to its mass

b) Equal to its weight

Question 42:  The most abundant metal in the Earth’s crust is

c) aluminium

Question 43:  Name the source from which Aspirin is produced?

a) Willow bark

b) Oak Tree

d) Eucalyptus

Question 44:  What is Heavy water?

a) Monoterium oxide

b) Polyterium oxide

c) Deuterium oxide

d) Trisium oxide

Question 45:  In a compound the elements are always present in definite proportions by

d) No option is correct.

Question 46:  What is nature of pH of Milk?

a) Slightly Acidic

b) Slightly Basic

c) Highly Acidic

d) Highly Basic

Question 47:  Which is the best fire-extinguisher?

c) Carbon-dioxide

Question 48:  Marble is a metamorphic rock of ………….

a) Sandstone

b) Limestone

Question 49:  Which chemical is also known as Carbolic Acid?

b) Hydroxide

c) Sulphuric Acid

Question 50:  What is dehydration?

a) Removal of acid from a molecule

b) Removal of base from a molecule

c) Removal of water from a molecule

d) Removal of alkali from a molecule

Free SSC Daily Practice Set

Download Current Affairs Questions & Answers PDF

Answers & Solutions:

1) Answer (A)

2) Answer (B)

3) Answer (B)

Nuclear fission

4) Answer (A)

5) Answer (C)

6) Answer (C)

7) Answer (C)

8) Answer (A)

9) Answer (B)

10) Answer (D)

11) Answer (C)

12) Answer (C)

13) Answer (B)

14) Answer (D)

15) Answer (A)

16) Answer (A)

17) Answer (A)

18) Answer (B)

19) Answer (C)

20) Answer (A)

21) Answer (C)

22) Answer (D)

23) Answer (B)

Hard Glass is used for making chemical apparatus like beakers, flasks etc.

=> Ans – (B)

24) Answer (A)

25) Answer (C)

26) Answer (A)

27) Answer (B)

28) Answer (D)

29) Answer (B)

30) Answer (B)

31) Answer (C)

32) Answer (D)

33) Answer (B)

34) Answer (D)

35) Answer (B)

36) Answer (A)

37) Answer (A)

38) Answer (B)

39) Answer (D)

40) Answer (C)

41) Answer (C)

42) Answer (C)

43) Answer (A)

44) Answer (C)

45) Answer (A)

46) Answer (A)

47) Answer (C)

48) Answer (B)

49) Answer (A)

50) Answer (C)

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We hope this Chemistry questions for SSC Exam will be highly useful for your preparation.

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SSC Chemistry Assignment 2021 Answer

/ By Jagobahe

SSC Chemistry Assignment 2021 is announced a few days ago. রসায়ন অ্যাসাইনমেন্ট উত্তর. Rosayon Assignment Answer publish. রসায়ন অ্যাসাইনমেন্ট 2 উত্তর is also publish on our site. After dshe.gov.bd publish the science group assignment on their website. As well as they also publish the Science Chemistry all week assignment question 2021. on their website. So, we collect all the Chemistry assignment question from the website and make SSC chemistry assignment solution 2021. All the examines of chemistry assignment papers must submit their assignment.

In this post, we are going to publish all the Chemistry assignment sheet 2021 on our website. So that all the students from class 10 assignment and SSC examines 2021 can easily solve the question. In this post, we’ll discuss all the maters of chemistry assignment form in details. So, SSC students who has a lot of confusion about chemistry assignment table can get all the answer from this post. You just need to follow all the questions carefully. After reading the question, you’ll find all the answers from this post. Step by step we are going to publish all the method of SSC chemistry assignment board.

Biology All Week SSC Assignment Answer 2021 [Article] Physics All Week SSC Assignment Answer 2021 Higher Math All Week SSC Assignment Answer 2021

SSC Chemistry Assignment 2021 5th Week Question

SSC Chemistry 2nd step assignment is published today. As before the authority only publish the 2nd and 3rd week assignment question last week. So, in this step they publish the 5th week chemistry assignment question. As all we know that this is the SSC Chemistry Assignment 3 2021. because there is not chemistry 4th week assignment is available. In the 4th week authority didn’t announced any assignment. So, this is the chemistry assignment 3. Now wee need to discuss about the Chemistry assignment 5th week assignment answer. Follow the next section for the chemistry assignment question 5th week 2021 ssc.

So, 5th week chemistry ssc assignment question is little different. This is from the one of chapter from textbook. This question is belongs to chemical structure of the atoms. So, you need to carefully read the question before start writing answer 2021. Because you may need to write some mathematical calculation of their chemical reaction. So, read the 5th week chemistry assignment 2021 question before you start the writing of the solution. And please keep all the instruction in mins. See the image version of the SSC Chemistry Assignment question 5th week 2021.

Download SSC Chemistry Assignment 2021 5th Week Question

SSC Chemistry Assignment 2021 5th Week Answer

Now we already clearly know the chemistry 5th week question about. So, you have to listen carefully our instruction. Because in the last 3 week assignment answer we discuss the matter very well. So, the students of the SSC Assignment 2021 who follow our instruction get highest mark. So, if you have to plan to get a highest mark on the 5th week chemistry assignment answer then please do all the things we’ve asked for. An this step could help you to reach your goal. In the next section we make a 5th week Chemistry assignment solution written in details. So, read the next assignment answer very closely.

So, this is the most important part of the post. Because here is this section we are going to publish ssc chemistry 5th week assignment answer 2021. As we already learn about chemistry assignment question 5th week 2021 from the section above. So, now this is the time for answer the assignment answer. Let’s start the solution making part. Because this question is very important. So, you need to carefully follow all the rules and instruction of the question. Then follow your text book page number and you’ll able to easily write your 5th week chemistry assignment 2021 answer easily.

Download SSC Chemistry Assignment 2021 5th Week Answer

SSC Chemistry Assignment 2021 6th Week Question

After a long waiting of 2 days, Directorate of secondary and higher education just publish the Chemistry 6th week assignment question 2021. Now, we are happy to see the question that there is a lot of opportunity. We are continuously trying to solve all the subjects and papers assignment question. In its continuity, we are going to publish the 5th week ssc chemistry assignment 2021. From the morning a lot of students are requesting us to publish the chemistry assignment question 2021 6th week. So, we planed to publish the assignment question in below.

According to the ssc chemistry assignment 2021 question 6th week, we can see that, this is the question based on the text book chapter. So, there is all the question listed in the text book. So, chemistry 6th week assignment question is little different and much harder than last week. So, you must be careful when you are try to answer this 6th week chemistry assignment question 2021. If you feel you need to know all the instruction and mark distribution of ssc assignment then please check the attach ssc chemistry 6th week assignment answer below.

Download SSC Chemistry Assignment 2021 6th Week Question

SSC Chemistry Assignment 2021 6th Week Answer

After complete the discussion on the chemistry assignment question 6th week. Now in this section we’ll talk about the details answer of the chemistry assignment answer 6th week 2021. So, carefully read the full question and all the instruction first. Before we publish the 6th week chemistry assignment answer 2021. You need to know all the guidelines. Because if you didn’t follow all the instruction while writing assignment answer. You’ll be get low mark on the final assignment result. So, follow al lthe rules of ssc chemistry assignment 2021 6th week. In below see the whole answer of the assignment.

Now this is the part for the 6th week ssc chemistry assignment answer 2021 making time. Please keep in mind that this is the ssc chemistry assignment 4 for exam 2021. Though it is publish on the 6th week but this is the ssc chemistry assignment 4. Because in this 2nd steps, There is no chemistry assignment on 4th week. So, you get your ssc chemistry assignment answer. Now write the whole answer in the paper and complete the cover page fill-up. After that attach the cover page of chemistry 6th week assignment to assignment paper. Then submit it to school.

Download SSC Chemistry Assignment 2021 6th Week Answer

SSC Chemistry Assignment 2021 3rd Week Question

Last week we solve the SSC Chemistry assignment 2nd week answer. A lot of the students follow our Chemistry 2nd week assignment answer and they get high mark on that. So, there are also requesting this week to publish Chemistry 3rd week assignment answer. Though this is a very difficult task, but only for welfare of the SSC 2021 candidates we plan to make a chemistry 3rd week assignment solution. So, in this post we are going to publish the 3rd week chemistry assignment question and answer. Read the whole article.

Now we’ll discuss about chemistry 3rd week assignment answer 2021. So, this is the chemistry assignment 2 for submit. Chemistry 3rd week assignment question is Li, Be, Na, Mg মৌল চারটির ইলেকট্রন বিন্যাসের আলোকে পর্যায় সারণিতে অবস্থান, তুলনামূলক আয়োনিকরণ শক্তি এবং মৌল সংশ্লিষ্ট গ্রুপ বা শ্রেণীর বৈশিষ্ট সম্পর্কিত একটি প্রতিবেদন প্রণয়ন। So, the 3rd week answer is very clear to answer. This is very easy to do. In below we already publish this chemistry 3rd week assignment answer 2021. You just need to follow all the instruction and guide to complete your SSC Chemistry assignment 2021.

Download SSC Chemistry Assignment 2021 3rd week Question PDF

SSC Chemistry Assignment 2021 3rd Week Answer

Finally, we got the 3rd week ssc chemistry assignment question. As like before a lot of candidates follow your previous 2nd week chemistry assignment question and answer from our website. So, they submit their assignment following the question and answer guide. So, they get highest mark on the ssc chemistry assignment. That’s why they again request us to solve their ssc chemistry assignment 3rd week answer also. Though this is not the very easy task. But we still plan to make the answer for the students for great welfare.

According to the chemistry 3rd week question we can see that, there is a lot of atoms question. Li, Be, Na and Mg. We need to specify their present role on the periodic table. We also need to discuss about the relative ionization energy and finally we need to make a report on the the characteristics of the group or class corresponding to the element. So, the answer is very clear now. So, you can now write your assignment answer from this section. Follow all the instruction here and write your 3rd week ssc chemistry assignment answer 2021.

Download SSC Chemistry Assignment 2021 3rd week Answer PDF

SSC Chemistry Assignment 2021 2nd Week Question

Now lets talk about the SSC Chemistry 2021 2nd week question. We already know about there are three week’s assignment is publish already. But in this three week, SSC Chemistry assignment need to submit only on 2nd week and 3rd week. There is no need to submit the SSC Chemistry assignment 2021 1st week. Because there is no syllabus for 1st week on assignment table. So, SSC Chemistry assignment 2021 2nd week question is now publish. In below check the question.

SSC Chemistry 2nd week question is প্রতীকের পাশে উল্লেখিত ভরসংখ্যাবিশিষ্ট মৌলের নিউট্রন সংখ্যা, বোর মডেল অনুসারে পরমাণু গঠনের চিত্র, শক্তিস্তরে ইলেক্ট্রন বিন্যাস এবং উপশক্তিস্তরে ইলেক্ট্রন বিন্যাস সংশ্লিষ্ট একটি প্রতিবেদন প্রণয়ন। So, check the question carefully. And the selected materials is Na(11), P(15), K(19) and Cu(29). According to the question below, this is the chemistry assignment 2nd week assignment from thirt chapter of textbook. So, open the chapter of the book and find answer for complete SSC Chemistry assignment answer 2021 2nd week.

SSC Chemistry Assignment 2021 2nd week answer

SSC Chemistry Assignment 2021 2nd Week Answer

So, from the above question we can see that, there we can see the Chemistry assignment question is from 3rd chapter of the text book. So, First lets discuss about the 3rd chapter. This is the chapter depend of The structure of matter. So, in this chapter all the subject are detailed on matter. How matter work, how its created etc is the topic of the chapter. Bohr model is one of the part of this chapter. Mass of the matter is also the part of this chapter. So, you have to keep that info mind when you are writing chemistry assignment answer on this chapter.

Now come to the question. 2nd week SSC Chemistry assignment question is one the matter of Sodium(Na), Phosphorus (P), Potassium (K) and Copper(Cu). So, first to make the answer of this chemistry assignment, read about this atom. After that you’ll be only able to write the answer of chemistry 2nd week answer. So, started reading the 3rd chapter of the textbook and start writing chemistry 2nd week assignment answer 2021.

Download SSC Chemistry Assignment 2021 2nd week Answer PDF

SSC Science Group Assignment Question 2021

Before discuss about the SSC assignment 2021 chemistry, talk a little about the science group assignment 2021. Because all the students of the same group need to submit all the mandatory subjects assignment answer. So, if you are a student who submitting ssc chemistry assignment 2021, then you must submit all other physics, biology and higher mathematics ssc assignments also. We already make answer for these all science group assignment’s answer. So, link are listed in the below. Click on the specific link which subject you need assignment answer 2021.

So, there are 3 different group on the SSC exam. Example, Science, Arts and Commerce. Most importantly, mandatory subjects are different from each other group. And the authority only asked for mandatory subjects. So, SSC assignment will be different from each other group. Science group has only 4 compulsory subjects. Physics, Chemistry, Biology and Higher Mathematics. So, you must submit all the subjects assignment answer 2021 if you are student of science. From the ssc chemistry assignment table, see details of subjects.

SSC Chemistry All Week Assignment 2021

From the ssc chemistry assignment grade, we see that there are total 12 week for assignment. But Chemistry is listed on ssc chemistry assignment on guccho 2. So, you need to follow guccho 2 for assignment answer. On the guccho 2 there is only 8 week for submit assignment. So, there are 4 week interval in the middle for complete other week’s assignment answer. In this post, all the details information about SSC Chemistry assignment is discuss. All week chemistry assignment answer is also answer on the below.

As we see on the SSC Assignment notice that, there is 3 phase for submit the total 12 assignment. In the first phase, students needs to submit their 1st 3 week chemistry assignment answer. But in the 3 week of first week, chemistry assignment answer need to submit only on 2 week. SSC Chemistry 1st week assignment answer don’t need to submit. Chemistry assignment only need to submit only on 2nd week and 3rd week. After that, on the 2nd phase, chemistry assignment will be submit on 5th and 6th week. Finally at the 3rd and last phase Rosayon ssc assignment solution need to submit on 8th and 9th week.

All Week SSC Chemistry Assignment Question 2021

According to the assignment grid, you need to know the structure of the assignment. Because there are several topic on submit assignment for all week. Every SSC Assignment has two paper in different. So, you first clear that, when which paper need to submit. As there are total 12 week but 8 week chemistry assignment need to submit. So, plan is very important. As, Chemistry ssc assignment is not so easy to submit. Because this is one of the hard subject to make assignment solution.

Whatever, the good news is you didn’t need to submit your all ssc chemistry assignment at a time. You have a lot of time. Because they didn’t publish chemistry all week assignment question yet. In the first phase, they publish 2nd and 3rd week assignment. This is count as ssc chemistry assignment 1. Also they publish 3rd week chemistry assignment question. Which is count as chemistry ssc chemistry assignment 2. So, you need to make answer for Chemistry assignment answer 2021 step by step. Follow out chemistry assignment answer writing method below.

SSC All Week Chemistry Assignment Answer 2021

This is the most important part of the post. Because only for this section all the ssc students are searching for these article. Though above we already talk about SSC Chemistry assignment’s table, syllabus, mark distribution, all the subjects and chapters etc. We also talk about Chemistry Assignment all week question above. But all the students need to make answer for chemistry assignment. Though this process is already discussed above, but a few topic is rest yet. So, in this section we’ll talk details about SSC Chemistry Assignment Answer making for exam 2021.

Now, come to the point. How to make ssc chemistry assignment paper solution easily. Because you need to submit the assignment with answer of rosayon subject. If you follow our all the instruction in details you can easily complete the chemistry assignment answer. Though all of you know there is a weekly table for ssc chemistry subject answer. So, we need to discuss the Chemistry assignment answer making on week by week. SSC Chemistry assignment question is different from each week 2021. So, in below discuss about weekly chemistry assignment answer 2021.

Weekly Chemistry SSC Assignment Answer 2021

However, in this section we are going to publish the weekly Chemistry assignment answer. So, you can write your require SSC assignment answer from this article. We’re going to publish all the week’s assignment answer is this post. We follow the weekly chemistry assignment answer from the table of assignment. Now talk about the weekly schedule of chemistry assignment 2021. Chemistry subject has 8 week assignment schedule for SSC examines of 2021. Chemistry ssc chemistry assignment 2021 1st week answer is not needed. Because there is no assignment for 1st week.

SSC Chemistry assignment assignment answer is start from 2nd week. Because every week has only 1 assignment for every subject. And between total of 3 week every subject need to submit assignment only on 2 week. So, on this phase SSC Chemistry assignment need to answer for only 2nd and 3rd week. Letter, 5th and 6th week assignment need to submit. So, this week is already completed with 2nd and 3rd week assignment. This ssc chemistry assignment 2021 2nd week answer and ssc chemistry assignment 2021 3rd week answer already publish. Follow the post below.

All Week SSC Chemistry Assignment PDF Answer Download 2021

So, you already get all of your SSC Chemistry assignment answer from our post. Now you just need to type the assignment on your assignment. Please keep in mind when writing assignment in the papers that, you follow all the rules. We already discuss all the rules. If you have still any confusion please read the article again. You can follow our assignment answer and write it on your paper. After that, must fill up the SSC Chemistry assignment cover page and attach it with. If you have no idea about cover page please read our SSC Assignment 2021 all information and answer post in our blog.

Though some of candidates has problem to write the assignment answer on your paper. So, you can follow our guides. You may also download Chemistry Assignment answer 2021 from here. After download the chemistry all week assignment answer pdf please print from local computer shop. After that print the assignment cover page. Carefully fill up all the information on the cover and attach it to the assignment. So, now your assignment is ready to submit. If all the steps are done then please submit it to the school and authority to get high marks.

Need any help to solve Chemistry Assignment?

We already discuss about everything on this post. How to write chemistry assignment answer. Also what are the SSC Chemistry assignment syllabus and table. How to make a solution of Chemistry assignment question. How to download SSC Chemistry assignment question pdf file. Most importantly, how to make the answer for chemistry assignment. So, all the student and examines of SSC exam 2021 will get benefited from this post. Though all the things is ready, you may found any information missing from the blog.

So, after read the whole article and the time of writing SSC Chemistry assignment if you found some info missing. Or there something is inappropriate of chemistry question or answer, then please comment in the below. Whatever if you found any wrong answer and you have the correct one. Please comment the answer in comment. So, many of candidates can get right chemistry assignment answer 2021. Please follow our Facebook page for more update. You can also join our Facebook Group to stay connected with other students. Thanks for reading the answers.

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SSC Chemistry Assignment 3rd Week Answer 2021 – SSC assignment 2021 chemistry 3rd week – SSC assignment chemistry 3rd week answer

SSC Chemistry 3rd Week Assignment 2021. SSC 2021 Chemistry Assignment Answers have been assigned for SSC Candidates 2021 3rd, 3rd, 5th, 6th, 8th, 9th, 11th, and 12th week’s assignment. A total of 8 Assignment answers have to be submitted for SSC Chemistry Assignment 2021. The full Marks for these eight assignments will be 50. SSC 2021 Chemistry Assignment for 2nd and 3rd week has already been published. The next week’s assignment will be published after the submission of these two weeks’ solutions.

SSC Chemistry 3rd Week Assignment 2021

Chemistry assignment for 3rd week has been published for the candidates of SSC science branch of 2021. The “Chapter Three: The Structure of Matter” section is scheduled for the second week. Read the scheduled chapter well and practice and write the answer to the assigned question for the assignment. If you want, you can take a look at the chemistry assignment solution we have created.

SC Chemistry Assignment 3rd Week Answer 2021, Dear Examiners of the SSC 2021 Science Department, The SSC Exam 2021 Chemistry 1st Week Assignment for you has been selected. SSC Chemistry Assignment 2021 & 2022 question and answer is available here. SSC 2021 exam candidates and SSC 2022 exam candidates, both Chemistry 2nd week, the 3rd-week assignment has been published. So we give all the solutions to the SSC Chemistry Assignment.

SSC candidates have their first assignment in the Chemistry subject in the 3rd Week. Chemistry is determined from the third chapter of the first assignment. The title of the third chapter is the structure of matter. SSC chemistry assignment 3rd week. How a substance is formed and the different states of matter are discussed in this chapter. Thus, from the 3rd-week chemistry assignment of SSC, we will learn about the composition of matter. In order to solve the SSC 3rd week chemistry assignment correctly, one has to acquire detailed knowledge about substances and the basics of matter. chemistry assignment SSC 2021 1st week answer

Otherwise, it is not possible to give the answer to SSC 3rd week chemistry assignment correctly. So before writing the solution or answer of the SSC 3rd week chemistry assignment one must acquire knowledge about the content of the assignment.SSC assignment 2021 3rd week answer

SSC Chemistry Assignment

Here the structure of the atom according to the Bohr model should be mentioned along with the diagram and also the electron configuration of energy level and sub-energy level should be discussed. So those examinees who are worried about SSC 3rd Week chemistry assignment should follow our instructions. We will provide guidance on the solution of the 3rd Week assignment of chemistry or writing the answer sheet. Also for the convenience of students, we will upload the solution or answer of SSC 3rd Week chemistry assignment in PDF format. If anyone wants to download the solution or answer to 3rd Week chemistry assignment then visit our website. SSC assignment 2021 chemistry 3rd week

chemistry assignment SSC 2021

Students need to follow a number of guidelines for writing the solution or answer of the 3rd Week chemistry assignment. Creating a solution or answer to the assignment by following the instructions below will definitely yield excellent results. As a result, it will be helpful to make the results of SSC 2021 better. Now I will give the instructions so that the students can create chemistry assignments in a good way by following them. The answer must be the number of neutrons of 4 elements. SSC assignment chemistry 1st week

Chemistry 3rd Week Assignment

Also the structure of the atom according to the model of 4 elements has to be described with diagrams. Electron arrangement should be shown in the energy level of 4 elements. It is also necessary to show the electron configuration of the sub-layer of 4 elements. If you follow the above guidelines and create a solution or answer sheet for the chemistry assignment, you will definitely get very good results. SSC chemistry assignment 2021 answer SSC assignment 2021 3rd week answer

SSC 3rd week assignment answer

We can learn a lot from the chemistry assignment of SSC 3rd Week. For example, we can calculate the number of electrons, protons and neutrons in an atom. Rutherford and Bohr will also be able to describe the atomic model of atomic structure. I can arrange the electrons of the atom in different orbits of the atom and in different layers of the orbit.

SSC 2021 Chemistry Assignment 3rd week Answer

এসএসসি ২০২১ অ্যাসাইনমেন্টের ৩য় সপ্তাহে রসায়ন বিষয়নি নির্ধারণ করা হয়েছে। রসায়ন বিষয়ে এটি দ্বিতীয় অ্যাসাইনমেন্ট। তৃতীয় সপ্তাহের অ্যাসাইনেমেন্ট চতুর্থ অধ্যায়েল পর্যা সারণি নির্ধারণ করা হয়েছে। অধ্যায়টি ভালোভাবে পড়ো এবং অনুশীলন করে তোমার সমাধান তৈরি করো। তোমার রসায়ন ৩য় সপ্তাহের অ্যাসাইনমেন্ট সমাধান করার সময় অবশ্যই ইলেক্ট্রন বিন্যাস করে মৌল চারটির পর্যায় সারণির পর্যায় নির্ণয় করতে হবে, ইলেকট্রন বিন্যাস করে মৌল চারটর পর্যায় সারণির গ্রুপ বা শ্রেণি নির্ণয় করতে হবে, পর্যায় সারণির একই পর্যায় এবং একই গ্রুপ বা শ্রেণিতে পাশাপাশি অবস্থিত আয়নিকরণ শক্তির তুলনা করবে এবং মৌল সংশ্লিষ্ট গ্রুপ বা শ্রেণির বৈশিষ্ট উল্লেখ করবে। তুমি চাইলে আাদের তৈরি করা রসায়ন ৩য় সপ্তাহের অ্যাসাইনমেন্ট দেখে নিতে পারো।

স্তরঃ এস.এস.সি পরীক্ষা ২০২১

বিভাগঃ বিজ্ঞান

বিষয়ঃ রসায়ন

বিষয় কোডঃ ১৩৭

মোট নম্বরঃ ১৬

অ্যাসাইনমেন্ট নম্বর-০২

অধ্যায় ও শিরােনামঃ চতুর্থ অধ্যায়: পর্যায় সারণি

অ্যাসাইনমেন্টঃ Li, Be, Na, Mg মৌল চারটির ইলেকট্রন বিন্যাসের আলােকে পর্যায় সারণিতে অবস্থান, তুলনামূলক আয়নিকরণ শক্তি এবং মৌল সংশ্লিষ্ট গ্রুপ বা শ্রেণির বৈশিষ্ট্য সম্পর্কিত একটি প্রতিবেদন প্রণয়ন;

শিখনফল/বিষয়বস্তুঃ

১. মৌলের সর্ববহিঃস্তর শক্তিস্তরের ইলেকট্রন বিন্যাসের সাথে পর্যায় সারণির প্রধান গ্রুপগুলাের সম্পর্ক নির্ণয় করতে পারব (প্রথম ৩০ টি মৌল)

২. একটি মৌলের পর্যায় শনাক্ত করতে পারব।

৩. পর্যায় সারণিতে কোনাে মৌলের অবস্থান জেনে এর ভৌত ও রাসায়নিক ধর্ম সম্পর্কে ধারণা করতে পারব।

৪. মৌলসমূহের বিশেষ নামকরণের কারণ বলতে পারব।

৪. পর্যায় সারণি অনুসরণ করে মৌলসমূহের ধর্ম অনুমানে আগ্রহ প্রদর্শন করতে পারব।

নির্দেশনা (সংকেত/ধাপ/পরিধি):

১. ইলেকট্রন বিন্যাস করে মৌল চারটির পর্যায় সারণির পর্যায় নির্ণয় করতে হবে ইলেকট্রন বিন্যাস করে মৌল চারটির পর্যায় সারণির গ্রুপ বা শ্রেণি নির্ণয় করতে হবে।

২. পর্যায় সারণির একই পর্যায় এবং একই গ্রুপ বা শ্রেণিতে পাশাপাশি অবস্থিত মৌলের আয়নিকরণ শক্তির তুলনা করতে হবে।

৩. মৌল সংশ্লিষ্ট গ্রুপ বা শ্রেণির বৈশিষ্ট্য উল্লেখ করতে হবে।

অধ্যায় ০৪ পর্যায় সারণি অ্যাসাইনমেন্ট :

Li Be Na Mg

মৌল চারটির ইলেকট্রন বিন্যাসের আলোকে পর্যায় সারণিতে অবস্থান, তুলনামূলক আয়নিকরণ শক্তি এবং মৌল সংশ্লিষ্ট গ্রুপ বা শ্রেণির বৈশিষ্ট্যদ সম্পর্কিত একটি প্রতিবেদন প্রণয়ন।

নমুনা সমাধান

(ক) মৌলগুলাের ইলেকট্রন বিন্যাস লক্ষ্য করলে দেখা যাবে যে, লিথিয়াম (Li) এর ক্ষেত্রে সর্বশেষ ইলেকট্রন দ্বিতীয় শক্তি স্তরে প্রবেশ করেছে। তাই আমরা বলতে পারি, Li(3) এর পর্যায় হচ্ছে 2।

অনুরূপভাবে, FT বেরিলিয়াম (Be) এর ক্ষেত্রে সর্বশেষ ইলেকট্রন দ্বিতীয় শক্তি স্তরে প্রবেশ করেছে। তাই আমরা বলতে পারি, Mg(12) এরপর যায় হচ্ছে 3।

(খ) গ্রুপ বা শ্রেণি নির্ণয় :

প্রশ্নে উল্লেখিত মৌলগুলাের ইলেকট্রন বিন্যাস :

মৌলগুলাের ইলেকট্রন বিন্যাস লক্ষ্য করলে দেখা যাবে যে, লিথিয়াম (Li) এর ক্ষেত্রে সর্ববহিঃস্থ শক্তিস্তরে একটিমাত্র ইলেকট্রন রয়েছে। তাই আমরা বলতে পারি,Li(3) এর গ্রুপ হচ্ছে 1।

অনুরূপভাবে, বেরিলিয়াম (Be) এর ক্ষেত্রে সর্ববহিঃস্থ শক্তিস্তরে দুইটি ইলেকট্রন রয়েছে।

তাই আমরা বলতে পারি, Be(4) এর গ্রুপ হচ্ছে 2। সােডিয়াম (Na) এর ক্ষেত্রে সর্ববহিঃস্থ শক্তিস্তরে একটিমাত্র ইলেকট্রন রয়েছে। তাই আমরা বলতে পারি, Na(11) এর গ্রুপ হচ্ছে 1। ম্যাগনেসিয়াম (Mg) এর ক্ষেত্রে সর্ববহিঃস্থ শক্তিস্তরে দুইটি ইলেকট্রন রয়েছে। তাই আমরা বলতে পারি, Mg(12) এর গ্রুপ হচ্ছে 2।

(গ) তুলনামূলক আয়নীকরণ শক্তি :

আমরা জানি, একই পর্যায়ে যত বাম দিক থেকে ডান দিকে যাওয়া যায়, অর্থাৎ পারমাণবিক সংখ্যা যত বাড়তে থাকে পরমাণুর আকার ততােই হ্রাস পেতে থাকে। আর পারমাণবিক আকার হ্রাস পেলে পরমাণুর আয়নীকরণ শক্তি বাড়ে। কারণ, এতে একটি করে ইলেকট্রন যুক্ত হয় এবং নিউক্লিয়াসের সাথে আকর্ষণ বেড়ে যায়।

আবার, একই গ্রুপে উপর থেকে নিচে আসলে একটি করে নতুন শক্তিস্তর যুক্ত হয়। এর ফলে পারমাণবিক ব্যাসার্ধ বেড়ে যায়। ফলে আয়নিকরণ শক্তি কমে যায়। অর্থাৎ এখানে বেরিলিয়ামের (Be) আয়নীকরণ শক্তির মান সবচেয়ে বেশি।

আয়নিকরণ শক্তির ক্রম হবে নিম্নরূপ : 𝐵𝑒>𝐿𝑖>𝑀𝑔>𝑁𝑎 ।

(ঘ) মৌল সংশ্লিষ্ট গ্রুপ বা শ্রেণির বৈশিষ্ট্য :

প্রশ্নে উল্লেখিত মৌলগুলাের ইলেকট্রন বিন্যাস লক্ষ্য করলে আমরা দেখতে পাই যে, Li(3) এর গ্রুপ হচ্ছে 1। Be(4) এর গ্রুপ হচ্ছে 2। Na(11) এর গ্রুপ হচ্ছে 1। Mg(12) এর গ্রুপ হচ্ছে 2।

অর্থাৎ লিথিয়াম (Li) এবং সােডিয়াম (Na) একই গ্রুপে অবস্থিত এবং তাদের গ্রুপ হচ্ছে 1। আবার বেরিলিয়াম (Be) এবং ম্যাগনেসিয়াম (Mg) একই গ্রুপে অবস্থিত এবং তাদের গ্রুপ হচ্ছে 2.

গ্রুপ -1 (ক্ষার ধাতু)

পর্যায় সারণির ১নং গ্রুপে ৭টি মৌল আছে। এদের মধ্যে হাইড্রোজেন ছাড়া বাকি ৬ টি মৌলকে (লিথিয়াম, সােডিয়াম, পটাশিয়াম, রুবিডিয়াম, সিজিয়াম এবং ফ্রানসিয়াম ) ফ্রানসিয়াম) ক্ষারধাতু বলে।

এই ছয়টি মৌলের প্রত্যেকটি পানিতে দ্রবীভূত হয়ে এই ছয়টি মৌলের প্রত্যেকটি পানিতে দ্রবীভূত হয়ে হাইড্রোজেন গ্যাস এবং ক্ষার তৈরি করে বলে এদেরকে ক্ষারধাতু (Alkali Metals) বলা হয়।

এ ধাতু গুলাে খুবই সক্রিয়। এরা আয়নিক বন্ধন গঠন করে। এরা নরম ও চকচকে হয়।

গ্রুপ- 2 (মৃৎক্ষার ধাতু)

পর্যায় সারণির ২নং গ্রুপে বেরিলিয়াম, ম্যাগনেসিয়াম, ক্যালসিয়াম, স্ট্রনসিয়াম, বেরিয়াম এবং রেডিয়াম এই ৫ টি মৌল আছে। এই মৌলগুলােকে মৃৎক্ষার ধাতু বলে।

এই ধাতুগুলােকে মাটিতে বিভিন্ন যৌগ হিসেবে পাওয়া যায়।

আবার, এরা ক্ষার তৈরি করে। এজন্য সামগ্রিকভাবে এদের মৃৎক্ষার ধাতু (Alkaline Earth Metals)।

এদের হাইড্রোক্সাইড গুলাে এসিডের সাথে বিক্রিয়া করে লবণ ও পানি উৎপন্ন করে। এরা আয়নিক বন্ধন গঠন করে।

SSC Chemistry 2nd Week Assignment 2021

SSC candidates have their first assignment in the Chemistry subject in the 2nd Week. Chemistry is determined from the third chapter of the first assignment. The title of the third chapter is the structure of matter. SSC chemistry assignment 2nd week. How a substance is formed and the different states of matter are discussed in this chapter. Thus, from the 2nd-week chemistry assignment of SSC, we will learn about the composition of matter. In order to solve the SSC 2nd week chemistry assignment correctly, one has to acquire detailed knowledge about substances and the basics of matter. chemistry assignment SSC 2021 1st week answer

Otherwise, it is not possible to give the answer to SSC 2nd week chemistry assignment correctly. So before writing the solution or answer of the SSC 2nd week chemistry assignment one must acquire knowledge about the content of the assignment.SSC assignment 2021 2nd week answer

SSC 2nd week assignment answer

We can learn a lot from the chemistry assignment of SSC 2nd Week. For example, we can calculate the number of electrons, protons and neutrons in an atom. Rutherford and Bohr will also be able to describe the atomic model of atomic structure. I can arrange the electrons of the atom in different orbits of the atom and in different layers of the orbit.

assignment SSC 2021 2nd week answer chemistry

মোট নম্বরঃ ১০

অ্যাসাইনমেন্ট নম্বর-০১

অধ্যায় ও অধ্যায়ের শিরােনামঃ  তৃতীয়, পদার্থের গঠন।

অ্যাসাইনমেন্টঃ  প্রতীকের পাশে উল্লেখিত ভরসংখ্যাবিশিষ্ট মৌলের নিউট্রন সংখ্যা, বাের মডেল অনুসারে পরমাণুর গঠনের চিত্র, শক্তিস্তরে ইলেকট্রন বিন্যাস এবং উপশক্তিস্তরে (অরবিটালসমূহে) ইলেকট্রন বিন্যাস সংশ্লিষ্ট একটি প্রতিবেদন প্রণয়ন।

Na(11), ভরসংখ্যা -23 P(15), ভরসংখ্যা -31 K(19), ভরসংখ্যা -40 Cu(29), ভরসংখ্যা -63

১. পরমাণু ইলেকট্রন, প্রােটন ও নিউট্রন সংখ্যা হিসাব করতে পারব। ২. পরমাণুর গঠন সম্পর্কে রাদারফোর্ড ও বাের পরমাণু মডেলের বর্ণনা করতে পারব। ৩. পরমাণুর বিভিন্ন কক্ষপথ এবং কক্ষপথের বিভিন্ন উপস্তরে পরমাণুর ইলেকট্রনসমূহকে বিন্যাস করতে পারব।

৪টি মৌলের নিউট্রন সংখ্যার হিসাব বের করতে হবে। ৪টি মৌলের বাের মডেল অনুসারে পরমাণুর গঠনের চিত্র অংকন করতে হবে ৪টি মৌলের শক্তিস্তরে ইলেকট্রন বিন্যাস করতে হবে ৪টি মৌলের উপশক্তিস্তরে (অরবিটালসমূহে) ইলেকট্রন বিন্যাস করতে হবে।

অধ্যায় ৩ পদার্থের গঠন

অ্যাসাইনমেন্ট :  প্রতীকের পাশে উল্লেখিত ভরসংখ্যাবিশিষ্ট মৌলের নিউট্রন সংখ্যা, বোর মডেল অনুসারে পরমাণুর গঠনের চিত্র, শক্তস্তরে ইলেকট্রন বিন্যাস এবং উপশক্তিস্তরে (অরবিটালসমূহে) ইলেকট্রন বিন্যাস সংশ্লিষ্ট একটি প্রতিবেদন প্রণয়ন।

(ক) নিউট্রন সংখ্যা হিসাব : Na মৌলের নিউট্রন সংখ্যা =23−11=12 P মৌলের নিউট্রন সংখ্যা =31−15=16 K মৌলের নিউট্রন সংখ্যা =40−19=21 Cu মৌলের নিউট্রন সংখ্যা =63−29=34

বোর মডেল অনুসারে পরমানুর গঠনের চিত্র অঙ্কন :

𝑁𝑎Na এর ইলেকট্রন বিন্যাস-

(গ) শক্তিস্তরে ইলেকট্রন বিন্যাস

উপশক্তিস্তরে (অরবিটাল সমূহে) ইলেকট্রন বিন্যাস –

আমরা জানি, n=1 এর জন্য উপশক্তিস্তর ০ থেকে (n−1) পর্যন্ত। তাই প্রথম শক্তিস্তরে একটি উপশক্তিস্তর বিদ্যমান =1𝑠 𝑛=2 হলে, উপশক্তিস্তর হল = 2𝑠, 2p n=3 হলে, উপশক্তি স্তর হল = 3𝑠, 3p, 3d n=4 হলে, উপশক্তি স্তর হল = 4s, 4p, 4d, 4f

s উপশক্তিস্তরে থাকে সর্বোচ্চ ২টি ইলেকট্রন। 𝑝 উপশক্তিস্তরে থাকে সর্বোচ্চ ৬টি ইলেকট্রন। d উপশক্তিস্তরে থাকে সর্বোচ্চ ১০টি ইলেকট্রন। f উপশক্তিস্তরে থাকে সর্বোচ্চ ১৪টি ইলেকট্রন।

পরমাণুর অরবিটালের ক্রমবর্ধমান শক্তিগুলো : 1𝑠 <2𝑠 <2𝑝 <3𝑠< 3𝑝 <4𝑠 <3𝑑

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Balbharati Solutions for Chemistry 12th Standard HSC for Maharashtra State Board

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•  • Chapter 1: Solid State
•  • Chapter 2: Solutions
•  • Chapter 3: Ionic Equilibria
•  • Chapter 4: Chemical Thermodynamics
•  • Chapter 5: Electrochemistry
•  • Chapter 6: Chemical Kinetics
•  • Chapter 7: Elements of Groups 16, 17 and 18
•  • Chapter 8: Transition and Inner transition Elements
•  • Chapter 9: Coordination Compounds
•  • Chapter 10: Halogen Derivatives
•  • Chapter 11: Alcohols, Phenols and Ethers
•  • Chapter 12: Aldehydes, Ketones and Carboxylic acids
•  • Chapter 13: Amines
•  • Chapter 14: Biomolecules
•  • Chapter 15: Introduction to Polymer Chemistry
•  • Chapter 16: Green Chemistry and Nanochemistry
• HSC Science (General) 12th Standard Board Exam Maharashtra State Board
• HSC Science (Electronics) 12th Standard Board Exam Maharashtra State Board
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Balbharati Solutions for 12th Standard Board Exam Chemistry Chapter 2: Solutions

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Balbharati 12th standard board exam chemistry chapter 6: chemical kinetics exercises.

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Balbharati 12th standard board exam chemistry chapter 10: halogen derivatives exercises.

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Balbharati Solutions for 12th Standard Board Exam Chemistry Chapter 12: Aldehydes, Ketones and Carboxylic acids

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Balbharati Solutions for 12th Standard Board Exam Chemistry Chapter 15: Introduction to Polymer Chemistry

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