Structure of Atoms

Chemistry Notes for Class-9 Chapter-1

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Fundamentals of Chemistry:

If you are looking for Chemistry Notes for Class 9 Chapter-1 then you are on right place, and have found the your required result. on this post you can find the all type Solution for chemistry class 9 problems. so read this post and take benefits for your studies and share with your Friends.

Here are important MCQs for Chemistry Notes for Class 9, chapter 1

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter-01 of Chemistry,9th Class, Fundamentals of Chemistry.

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Chemistry Ch#01, 9th Class

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1 / 50

Which one of the following is molar mass of O2 in amu?

2 / 50

Valency of carbon is___________

3 / 50

Atom is electrically______

4 / 50

Valency of oxygen is___________

5 / 50

Example of covalent compound is _________

6 / 50

1-gram atom of carbon contains how many moles is_________

7 / 50

The valency of Noble Gases is__________

8 / 50

Empirical formula of sand is________

9 / 50

Mixture can be separated by method_________

10 / 50

Value of Avogadro number is________

11 / 50

Mass of 3 moles of oxygen atoms is ___________

12 / 50

Formation of which of the following is affected by light_________

13 / 50

Which of the followings are tri-atomic molecule except?

14 / 50

Structure of atom is studied in which branch of chemistry?

15 / 50

Which one of the following can be separated by physical-means?

16 / 50

How many atoms are present in one-gram atomic mass of a substance?

17 / 50

Which type of molecular ions are present in plasma?

18 / 50

80 percent elements are____________

19 / 50

Empirical formula of glucose is______

20 / 50

One amu (atomic mass unit) is equivalent to_______

21 / 50

Formula mass of K2SO4 is___________

22 / 50

Which one is polyatomic molecule?

23 / 50

Industrial chemistry deals with the Manufacturing of compounds_________

24 / 50

Fourth state of matter is__________

25 / 50

Brass is a mixture of___________

26 / 50

In which one of the following pairs has the same number of ions?

27 / 50

Which one is extremely reactive species?

28 / 50

Number of protons in the nucleus of an atom is called ________

29 / 50

The third abundant gas found in the earth's crust is_______

30 / 50

Which compound has same molecular and empirical formula?

31 / 50

How many number of moles are equivalent to 8 grams of CO2?

32 / 50

Empirical formula of acetic acid (CH3COOH) is _________

33 / 50

Which one of following is an example of ionic compound?

34 / 50

The most abundant element occurring in the oceans is_______

35 / 50

Which one is a physical property?

36 / 50

Which one of the following elements is found in most abundance in the earth's crust?

37 / 50

The mass of one molecule of water is________

38 / 50

The ratio of carbon and oxygen in CO2 ________

39 / 50

Percentage of Argon in nature is____________

40 / 50

How many atoms are present in one-gram atomic mass of a substance?

41 / 50

Which one of the following pairs has the same mass?

42 / 50

How many molecules of water will be present in half mole of water?

43 / 50

40g of H3PO4 contains number of moles__________

44 / 50

The molar mass of H2S04 is__________

45 / 50

Nuclear Chemistry has application in__________

46 / 50

Example of heterogeneous mixture is ___________

47 / 50

Example of mono atomic molecule is___________

48 / 50

Elements may be_________

49 / 50

1-gram formula of NaCl contains grams________

50 / 50

A piece of matter in pure form is termed as _________

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Chemistry Notes, Problems for Class 9th

Chemistry, a new subject for 9th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have to study only one book of science that combines chemistry, physics, and biology. But as, we got into 9th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book, chemistry class 9 chapter 1.

And, if you any student of 9th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 9 are enough. by Understanding chemistry Notes for 9th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

adamgee notes for class 10:

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Chapter wise PDF Notes / Problems / Solution of Chemistry 9th Class

                     Chapter-01 – Fundamentals of Chemistry

                     Chapter-02 – Structure of Atoms 

                     Chapter-03 – Periodic Table and Periodicity of Properties

                     Chapter-04 – Structure of Molecules 

                     Chapter-05 – Physical States of Matter 

                     Chapter-06 – Solutions 

                     Chapter-07 – Electrochemistry 

                     Chapter-08 – Chemical Reactivity 

                     Pairing Scheme for 2021 – Chemistry 9th Class

 

 

 

Chemistry Notes for Class-9 Chapter-2

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Chemistry Notes for Class-9 Chapter-2

Structure of Atoms:

If you are looking for Chemistry Notes for Class 9 Chapter-2 then you are on right place, and have found the your required result. on this post you can find the all type Solution for chemistry class 9 problems. so read this post and take benefits for your studies and share with your Friends.

Here are important MCQs for Chemistry Notes for Class 9, chapter 2

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter-02 of Chemistry,9th Class, Structure of Atoms.

Best of Luck

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Chemistry Ch#02, 9th Class

Here MCQs for your Revision

For Good Revision & Grip on Concept, You Should take the MCQs and Revise it again and again

Good Luck. . . .  (:

Welcome

Please provide information & fill-up this form

1 / 41

The number of electrons that a shell can accommodate is given by formula.

2 / 41

Which one of the following consists of three subshells?

3 / 41

In 1897, who found electrons in atom?

4 / 41

How many electrons can be accommodated in p-orbital?

5 / 41

13C and 14C are both present in nature_______

6 / 41

Canal Rays were discovered by_________

7 / 41

According to Rutherford’s atomic theory atom should produce_________

8 / 41

94Be + 42He ----> 126C+ ?

9 / 41

Electronic configuration of Boron is______

10 / 41

Chadwick discovered neutrons in_____

11 / 41

The concept of orbit was used by____________

12 / 41

Neil Bohr won the noble prize in________

13 / 41

Symbol for Deuterium is ________

14 / 41

The p subshell has_________

15 / 41

How many electrons can be accommodated in L-shell?

16 / 41

The name atom was derived from the Latin word “Atomos”, which meaning _________

17 / 41

The percentage of pure 238/92U is found in nature_______

18 / 41

The value of Planck’s constant is_______

19 / 41

Who predicted in 1920 that some neutral particle having mass equal to that of proton in an atom?

20 / 41

Plum pudding theory was put forward by_________

21 / 41

Deuterium is used to make________

22 / 41

Quantum means_________

23 / 41

In 1912 Neil Bohr joined for post-doctoral research with _________

24 / 41

How many times he mass of a proton is more than an electron?

25 / 41

Which radio isotope is used for the diagnosis of tumor in the body?

26 / 41

Rutherford used a gold foil in his experiment, which has a thickness of___________

27 / 41

How many electrons can be accommodated in N-shell?

28 / 41

When U-235 breaks up, it produces_________

29 / 41

Rutherford won noble prize in __________

30 / 41

John Dalton put forward his atomic theory in the beginning of________

31 / 41

Neil Bohr presented his model in_______

32 / 41

Which one of the following is the most penetrating?

33 / 41

Who performed first experiment to split atom?

34 / 41

The isotope C-12 is present in abundance of_____________

35 / 41

Who discovered the proton?

36 / 41

94Be + 42He ----> 126C+ ?

37 / 41

How many sub shells are there in first energy level or k shell?

38 / 41

Who described the concept of line spectrum in his atomic model?

39 / 41

Sir William Crooks performed experiments in a discharge tube at low pressure in_________

40 / 41

Which isotope is used for diagnosis of goiter?

41 / 41

Which of the following results in the discovery of proton?

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MCQs in PDF Format

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(Correct Answers has shown at front end of each question)

. .

Short Question Answers in PDF Format

(Download in pdf format)

. .

Long Question Answers in PDF Format

(Download in pdf format)

. .

.

 

Chemistry Notes, Problems for Class 9th

Chemistry, a new subject for 9th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have to study only one book of science that combines chemistry, physics, and biology. But as, we got into 9th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 9th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 9 are enough. by Understanding chemistry Notes for 9th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

Chemistry class 9 pdf

If any student searching to topics like Chemistry Notes for 9th class,  Chemistry Notes for Class 9 pdf, Chemistry Notes for Class 9 MCQs, Chemistry Notes for class 9 Gujranwala board, Chemistry Notes for class 9 Lahore board, Class 9 Chemistry notes chapter 2, Chemistry class 9 chapter 2 pdf, Chemistry class 9 chapter-2 short questions, kips notes of chemistry for 9 class, 9th class chemistry solved exercises chapter 2, chemistry class 9 chapter 2 structure of atom, 9th class chemistry notes in English pdf download, 9th class chemistry solved exercises chapter 2 pdf, 9th class chemistry solved exercises chapter 2,  9th class chemistry notes in Urdu pdf download, Chemistry class 9 chapter-2 solved exercise pdf, Chemistry Notes for Class 9 Chapter-2, 9th class chemistry notes in Urdu pdf download, Chemistry class 9 pdf, adamjee notes class 9 Chemistry 2022, adamjee notes for class 9 Chemistry, adamjee notes for class 9, adamjee notes, chemistry class 9, Chemistry Class 9 chapter 2, then all the solution if your problem is available within our website eStudent.pk

Chemistry class 9

Chemistry class 9 chapter 2, Chemistry class 9 pdf, Chemistry class 9 past papers, 

Chapter wise PDF Notes / Problems / Solution of Chemistry 9th Class

                     Chapter-01 – Fundamentals of Chemistry

                     Chapter-02 – Structure of Atoms 

                     Chapter-03 – Periodic Table and Periodicity of Properties

                     Chapter-04 – Structure of Molecules 

                     Chapter-05 – Physical States of Matter 

                     Chapter-06 – Solutions 

                     Chapter-07 – Electrochemistry 

                     Chapter-08 – Chemical Reactivity

                     Pairing Scheme for 2021 – Chemistry 9th Class