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Atoms and Bonding Quiz

Total questions: 81

Worksheet time: 41mins

Name
Class
Date
1.

What is the atomic number (Z) of an element?

a)

The number of protons in the nucleus

b)

The number of neutrons in the nucleus

c)

The total number of electrons

d)

The mass number of the element

2.

What are valence electrons?

a)

Electrons in the innermost shell

b)

Electrons involved in chemical bonding

c)

Electrons that are not involved in bonding

d)

Electrons that are lost during a reaction

3.

What is the maximum number of electrons that can be held in the 3rd shell before element 21?

a)

8

b)

18

c)

32

d)

2

4.

What is the electron configuration of Oxygen?

a)

2, 6

b)

2, 8

c)

1, 7

d)

2, 2, 4

5.

What is the Lewis Diagram of Phosphorus?

a)

P: 2, 8, 5

b)

P: 2, 5, 8

c)

P: 8, 2, 5

d)

P: 5, 2, 8

6.

What happens to atoms when they bond?

a)

They lose all their electrons

b)

They share or transfer valence electrons

c)

They become unstable

d)

They gain protons

7.

What is the reactivity trend of metals across the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Remains constant

d)

Increases from top to bottom

8.

How do non-metals typically react?

a)

By losing electrons

b)

By gaining or sharing electrons

c)

By forming ionic bonds

d)

By forming covalent bonds only

9.

What is the stable arrangement of Hydrogen?

a)

2 electrons

b)

1 electron

c)

8 electrons

d)

0 electrons

10.

What is the general trend of electronegativity across the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Remains constant

d)

Increases from bottom to top

11.

What is the mass number of an element?

a)

The total number of protons and neutrons

b)

The total number of protons

c)

The total number of electrons

d)

The average atomic mass of the element

12.

What is the primary characteristic of noble gases?

a)

They are highly reactive

b)

They have a full valence shell

c)

They readily form compounds

d)

They are all metals

13.

What is the trend of atomic radius across the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

14.

What is the electron configuration of Carbon?

a)

2, 4

b)

2, 6

c)

1, 6

d)

2, 2, 2

15.

What is the primary characteristic of alkali metals?

a)

They are highly reactive

b)

They have a full valence shell

c)

They are good conductors of electricity

d)

They are all gases at room temperature

16.

What is the trend of ionization energy across the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

17.

What is the typical behavior of metalloids in chemical reactions?

a)

They behave like metals

b)

They behave like non-metals

c)

They can behave as either depending on the reaction

d)

They do not react at all

18.

What is the significance of the octet rule in chemistry?

a)

Atoms tend to gain, lose, or share electrons to achieve a full outer shell

b)

Atoms always have eight protons

c)

Atoms can only bond with eight other atoms

d)

Atoms with eight electrons are always stable

19.

What is the primary factor that determines the type of bond formed between two atoms?

a)

The difference in electronegativity

b)

The atomic mass of the elements

c)

The number of protons in the nucleus

d)

The size of the atoms

20.

What is the electron configuration of Neon?

a)

2, 8

b)

2, 6

c)

1, 8

d)

2, 2, 6

21.

What is the trend of metallic character across the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

22.

What is the electron configuration of Sodium?

a)

2, 8, 1

b)

2, 6, 1

c)

2, 8, 2

d)

1, 8, 1

23.

What type of bond is formed when electrons are shared between atoms?

a)

Ionic bond

b)

Covalent bond

c)

Metallic bond

d)

Hydrogen bond

24.

What is the primary characteristic of transition metals?

a)

They have variable oxidation states

b)

They are all gases at room temperature

c)

They have a full outer shell

d)

They are poor conductors of electricity

25.

What is the electron configuration of Chlorine?

a)

2, 8, 7

b)

2, 7, 5

c)

2, 8, 6

d)

2, 8, 8

26.

What type of bond is formed when one atom donates an electron to another?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

d)

Hydrogen bond

27.

What is the trend of reactivity for non-metals across the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

28.

What is the primary role of neutrons in an atom?

a)

To determine the atomic number

b)

To stabilize the nucleus

c)

To participate in chemical bonding

d)

To carry a positive charge

29.

What is the electron configuration of Chlorine?

a)

2, 8, 7

b)

2, 7

c)

2, 8, 8

d)

1, 7

30.

What is the trend of ionization energy down a group in the periodic table?

a)

Increases

b)

Decreases

c)

Remains constant

d)

Fluctuates

31.

What is the electron configuration of Magnesium?

a)

2, 8, 2

b)

2, 6, 2

c)

2, 8, 1

d)

1, 8, 2

32.

What is the trend of ionization energy across a period in the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

33.

What is the primary characteristic of alkali metals?

a)

They have one electron in their outer shell

b)

They are all gases at room temperature

c)

They have a full outer shell

d)

They are poor conductors of electricity

34.

What is the trend of electronegativity down a group in the periodic table?

a)

Increases

b)

Decreases

c)

Remains constant

d)

Fluctuates

35.

What is the electron configuration of Nitrogen?

a)

2, 5

b)

2, 8, 5

c)

2, 6

d)

1, 7

36.

What is the maximum number of electrons that can be held in the 4th shell?

a)

32

b)

18

c)

8

d)

2

37.

What is the primary characteristic of halogens?

a)

They are highly reactive non-metals

b)

They have a full outer shell

c)

They are all solids at room temperature

d)

They readily lose electrons

38.

What is the trend of reactivity for non-metals across the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

39.

What is the electron configuration of Argon?

a)

2, 8, 8

b)

2, 8, 7

c)

2, 6, 8

d)

2, 8, 6

40.

What is the electron configuration of Sulfur?

a)

2, 8, 6

b)

2, 6, 6

c)

2, 8, 5

d)

2, 8, 7

41.

What is the electron configuration of Lithium?

a)

2, 1

b)

1, 2

c)

2, 2

d)

1, 1

42.

What is the primary characteristic of noble gases?

a)

They are highly reactive

b)

They have a full outer shell of electrons

c)

They are all liquids at room temperature

d)

They readily form compounds

43.

What is the electron configuration of Phosphorus?

a)

2, 8, 5

b)

2, 5, 8

c)

2, 6, 5

d)

2, 8, 4

44.

What is the trend of atomic radius across a period in the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

45.

What type of bond is formed when two atoms share electrons?

a)

Ionic bond

b)

Covalent bond

c)

Metallic bond

d)

Hydrogen bond

46.

What is the electron configuration of Magnesium?

a)

2, 8, 2

b)

2, 6, 2

c)

2, 8, 1

d)

2, 4

47.

What is the primary characteristic of noble gases?

a)

They are highly reactive

b)

They have a full outer shell

c)

They are all liquids at room temperature

d)

They readily gain electrons

48.

What is the trend of ionization energy across a period in the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

49.

What is the trend of electronegativity across the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

50.

What is the electron configuration of Iron?

a)

2, 8, 14

b)

2, 8, 8, 2

c)

2, 8, 6, 2

d)

2, 8, 4, 2

51.

What is the primary characteristic of alkaline earth metals?

a)

They have two electrons in their outer shell

b)

They are all gases at room temperature

c)

They have a full outer shell

d)

They are highly reactive non-metals

52.

What is the primary characteristic of transition metals?

a)

They have high melting points

b)

They are all gases at room temperature

c)

They have a full outer shell

d)

They are poor conductors of electricity

53.

What is the electron configuration of Carbon?

a)

2, 4

b)

2, 6

c)

1, 6

d)

2, 2, 2

54.

What is the trend of ionization energy across the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

55.

What is the electron configuration of Silicon?

a)

2, 8, 4

b)

2, 6, 4

c)

2, 8, 2

d)

2, 4, 4

56.

What is the maximum number of electrons that can be held in the 2nd shell?

a)

8

b)

18

c)

32

d)

2

57.

What is the trend of atomic radius down a group in the periodic table?

a)

Increases

b)

Decreases

c)

Remains constant

d)

Fluctuates

58.

What is the electron configuration of Calcium?

a)

2, 8, 8, 2

b)

2, 8, 10

c)

2, 8, 6, 2

d)

2, 8, 7

59.

What is the primary characteristic of transition metals?

a)

They have high melting points

b)

They are all gases at room temperature

c)

They have a full outer shell

d)

They are poor conductors of electricity

60.

What type of bond is formed when two atoms transfer electrons?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

d)

Van der Waals bond

61.

What is the trend of metallic character across a period in the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

62.

What is the electron configuration of Argon?

a)

2, 8, 8

b)

2, 8, 6

c)

2, 6, 8

d)

2, 8, 7

63.

What is the primary characteristic of halogens?

a)

They have seven electrons in their outer shell

b)

They are all metals

c)

They have a full outer shell

d)

They are inert gases

64.

What is the trend of atomic radius down a group in the periodic table?

a)

Increases

b)

Decreases

c)

Remains constant

d)

Fluctuates

65.

What is the trend of reactivity for alkali metals as you move down the group?

a)

Increases

b)

Decreases

c)

Remains constant

d)

Fluctuates

66.

What is the electron configuration of Sulfur?

a)

2, 8, 6

b)

2, 6, 8

c)

2, 8, 4

d)

2, 6, 2

67.

What is the trend of electronegativity across a period in the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

68.

What is the electron configuration of Chlorine?

a)

2, 8, 7

b)

2, 7, 8

c)

2, 8, 6

d)

2, 6, 7

69.

What is the primary characteristic of alkaline earth metals?

a)

They are highly reactive

b)

They have two valence electrons

c)

They are all gases at room temperature

d)

They have a full outer shell

70.

What is the electron configuration of Sodium?

a)

2, 8, 1

b)

2, 1

c)

1, 8

d)

2, 8, 2

71.

What is the primary characteristic of alkali metals?

a)

They are highly reactive

b)

They have a full outer shell

c)

They are all gases at room temperature

d)

They readily gain electrons

72.

What is the trend of atomic radius across a period in the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Remains constant

d)

Increases from top to bottom

73.

What is the electron configuration of Chlorine?

a)

2, 8, 7

b)

2, 7, 7

c)

2, 8, 6

d)

2, 8, 8

74.

What is the Lewis Diagram of Silicon?

a)

Si: 2, 8, 4

b)

Si: 2, 4, 8

c)

Si: 8, 2, 4

d)

Si: 4, 2, 8

75.

What is the maximum number of electrons that can be held in the 5th shell?

a)

32

b)

18

c)

8

d)

2

76.

What is the electron configuration of Phosphorus?

a)

2, 8, 5

b)

2, 8, 6

c)

2, 7, 5

d)

2, 8, 4

77.

What is the trend of atomic radius across a period in the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Remains constant

d)

Increases from top to bottom

78.

What type of bond is formed when two atoms share electrons unequally?

a)

Ionic bond

b)

Polar covalent bond

c)

Nonpolar covalent bond

d)

Metallic bond

79.

What is the electron configuration of Argon?

a)

2, 8, 8

b)

2, 8, 7

c)

2, 6, 8

d)

2, 8, 6

80.

What is the trend of ionization energy across a period in the periodic table?

a)

Increases from left to right

b)

Decreases from left to right

c)

Increases from top to bottom

d)

Remains constant

81.

What is the electron configuration of Selenium?

a)

2, 8, 18, 6

b)

2, 8, 18, 4

c)

2, 8, 6

d)

2, 8, 18, 5

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