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Chemistry Notes for Class-9 Chapter-4

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Chemistry Notes for Class-9 Chapter-4

Structure of Molecule 

If you are looking for Chemistry Notes for Class 9 Chapter-4, 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. Chemistry Notes for Class-9 Chapter-4.

Here are important MCQs for Chemistry Notes for Class 9, chapter 4

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter 04 of Chemistry, Structure of Molecular, 9th Class.

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Chemistry Ch#04, 9th Class

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1 / 89

The position of an atom in the periodic table indicates its__________

2 / 89

Identify which pair has polar covalent bonds________

3 / 89

Every atom has a natural tendency to achieve electrons in its valence shell________

4 / 89

Attaining two electrons in the valence shell is called__________

5 / 89

Intermolecular forces are collectively known as__________

6 / 89

Metals have the tendency to lose electrons due to ________

7 / 89

Atoms react with each other because_________

8 / 89

An atom having six electrons in its valence shell will achieve noble gas electronic configuration by_____________

9 / 89

Covalent bond is most commonly found between the elements of group_________

10 / 89

Dative covalent bond is also known as________

11 / 89

How many valency shell electrons are there in Na+ ion?

12 / 89

The nature of a chemical bond can be predicted by using__________

13 / 89

The electropositive elements have tendency to _________

14 / 89

Considering the electronic configuration of atoms which atom with the given atomic number will be the most stable one?

15 / 89

Water has high boiling points as compared to alcohol due to _______

16 / 89

How many covalent bonds does C2H2 molecule have?

17 / 89

Which of the following is an electron deficient molecule?

18 / 89

The difference between electronegativities of hydrogen and chlorine________

19 / 89

A covalent bond formed by two similar atoms is known as________

20 / 89

Which of the following is a building block of matter?

21 / 89

Which of the following is an example of covalent compound?

22 / 89

All the noble gases have their valence electrons_________

23 / 89

How many lone pairs are present on nitrogen in ammonia molecule?

24 / 89

Mode of reaction depends upon its_________

25 / 89

Which type of attractive forces are present in ionic compounds?

26 / 89

The compounds formed by oppositely charges are known as _________

27 / 89

The forces responsible for binding the atoms together in a molecule are called_______

28 / 89

The electronegative elements have_________

29 / 89

Atom achieve stability by attaining electronic configuration of _________

30 / 89

Which molecule contains a single covalent bond?

31 / 89

Epoxy adhesives can be made________

32 / 89

A bond pair in covalent molecules usually has_________

33 / 89

Identify the compound which is not soluble in water__________

34 / 89

The energy required to break the intermolecular forces between one mole of liquid hydrogen chloride molecule to convert it into gas is___________

35 / 89

Hydrogen bonding is always found in____________

36 / 89

At room temperature, higher molecular mass covalent compounds are ________

37 / 89

The formation of ionic bond between two ions is due to ________

38 / 89

How many electrons are there in the valence shell of sodium atom?

39 / 89

The electro-negative value of fluorine is____________

40 / 89

Non-polar compounds are insoluble in_________

41 / 89

Covalent bond involves the _______

42 / 89

Which of the following do not show ions in water?

43 / 89

Which type of adhesives is less expensive to produce?

44 / 89

A bond formed due to complete transfer of electrons from one atom to another is called_____

45 / 89

Epoxy adhesives are also known as_________

46 / 89

The boiling point of alcohol is ____________

47 / 89

If the difference of electro-negativities between two elements is more than 1.7, the bond will be__________

48 / 89

Triple covalent bond involves how many numbers of electrons?

49 / 89

Which of the following is the weakest force among the atoms?

50 / 89

Epoxy adhesives are________

51 / 89

When an electro-negative element combines with electro-positive element the type of bonding is_______

52 / 89

Which group of the periodic table have the tendency to gain electrons _______

53 / 89

Nitrogen molecule contain_________

54 / 89

Octet rule is __________

55 / 89

A bond formed between two non-metals is expected to be_________

56 / 89

The valence electrons, which are involved in chemical bonding, are termed as_________

57 / 89

Which type of bond is present between NH3 and BF3?

58 / 89

The electro-negativity value of atoms is given by which scale?

59 / 89

Which of the following is an example of polar covalent compound?

60 / 89

The density of water at 0°C  is_________

61 / 89

A molecule is formed, when energy of a system___________

62 / 89

Noble gases are non-reactive because they do not__________

63 / 89

Ice floats on water because____________

64 / 89

Which sign indicates partial positive and partial negative charge?

65 / 89

Metals usually have ______________

66 / 89

Hydrogen and helium follow ________

67 / 89

Ionic compounds have________

68 / 89

The melting point of NaCl is___________

69 / 89

During the formation of ionic bond, heat____________

70 / 89

The mobile electrons are responsible for holding the atoms of metals together, forming a ____

71 / 89

Transfer of electrons between elements result in________

72 / 89

The boiling point of NaCl is __________

73 / 89

The formation of a chemical bond is a result of dominant net______

74 / 89

A covalent bond formed by the mutual sharing of two pairs of electrons between bonded atom is called__________

75 / 89

How many electrons are involved in the formation single covalent bond?

76 / 89

If the difference of electronegativities between two elements is less than 1.7, the bond will be______

77 / 89

The boiling point of water is ____________

78 / 89

The electrons that pair up to form a chemical bond are called__________

79 / 89

The electronic configuration of sodium atom is ____________

80 / 89

Metals are good conductors of heat and electricity in solid and liquid state due to________

81 / 89

In metals, the hold of nucleus over the valence shell electrons is weak due to _______

82 / 89

A bond formed by the mutual sharing of an electron pair is called________

83 / 89

Which force becomes operative, when two atoms come closer to each other?

84 / 89

How many valence shell electrons are there in group-01 elements?

85 / 89

Which of the following is the weakest bond amongst them?

86 / 89

Malleability is the property by virtue of which a metal can be drawn into________

87 / 89

The force of attractive between water molecules is__________

88 / 89

Which pair of the molecules has same type of covalent bonds?

89 / 89

The density of ice at 0°C is __________

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Chemistry Notes, Problems for Class 9th

Chemistry, a new subject for 9th Class, having a lot of concepts all 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 Notes for Class-9 Chapter-4.

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, we need chemists. Chemistry Notes for Class-9 Chapter-4.

Chemistry class 9 pdf / Chemistry Notes for Class-9 Chapter-4

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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

 

 

 

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  1. uchino shit suji Reply

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