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Worksheets

Atomic structure and bonding

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

The charge on a Sodium ion is

a)

+1

b)

+2

c)

-1

d)

-2

2.

A Sodium has ________ electrons in the outer shell

a)

1

b)

2

c)

8

d)

9

3.

The mass number of an atom is made up from

a)

The number of protons plus electrons

b)

The number of protons plus neutrons

c)

The number of neutrons pus electrons

d)

The number that the element is on the periodic table

4.

The basic electron configuration of Calcium (atomic number 20) is

a)

2,10,8

b)

2,4,6,8

c)

2,8,8,2

d)

2,8,10

5.

The number of neutrons in Chlorine-37 is

a)

17

b)

18

c)

19

d)

20

6.

The number of neutrons in Carbon-14 is

a)

6

b)

12

c)

14

d)

8

7.

The number of protons in Carbon-14 is

a)

6

b)

12

c)

14

d)

8

8.

The chemical symbol for Potassium is

a)

P

b)

K

c)

Po

d)

19

9.

The atomic number refers to the

a)

number of electrons

b)

number of protons

c)

number of electrons and protons

d)

number of protons and neutrons

10.

Hg is the chemical symbol of

a)

Higgs-Boson

b)

Hydrogen

c)

Mercury

d)

Hydronium

11.

Oxygen is found in period ________ and group _________

a)

16, 1

b)

1, 16

c)

16, 2

d)

2, 16

12.

Which element is found in period 4, group 2?

a)

Magnesium

b)

Calcium

c)

Titanium

d)

Gold

13.

How many atoms make up a molecule of CuSO4 ?

a)

3

b)

4

c)

5

d)

6

14.

Which of the following is a non-metal?

a)

Magnesium

b)

Fluorine

c)

Calcium

d)

Gold

15.

When hydrogen is bonded to a NOF the type intermolecular force with the greatest attraction is

a)

Dispersion forces

b)

Dipole-Dipole interactions

c)

Hydrogen bonding

d)

Isotope

16.

The maximum number of electrons in the second shell is

a)

2

b)

4

c)

8

d)

12

17.

Which atom has the following electron configuration?


1s2, 2s2, 2p6, 3s2

a)

Magnesium

b)

Sodium

c)

Oxygen

d)

Neon

18.

The electron configuration of Neon is

a)

1s2, 2s2, 2p10

b)

1s2, 2s2, 2p5

c)

1s2, 2s2, 2p6, 3s2

d)

1s2, 2s2, 2p6

19.

Aluminium will lose 3 electrons to become an ion. The electron configuration of Al3+ would be...

a)

1s2, 2s2, 2p6

b)

1s2, 2s2, 2p8

c)

1s2, 2s2, 2p6, 3s2

d)

1s2, 2s2, 2p6, 3s2, 3p1

20.

Which of the following is not generally a property of a metallic solid?

a)

lustrous

b)

conductor

c)

insulator

d)

ductile

21.

Malleable means

a)

That is can be drawn into a wire

b)

That is can be molded

c)

That is is a conductor of heat

d)

Brittle

22.

Which of the following is a property of an ionic compound?

a)

Brittle

b)

Gas at room temperature

c)

Lustrous

d)

Ductile

23.

'Positive cations in a sea of electrons'

is a phrase used to describe which type of bonding?

a)

Hydrogen

b)

Covalent

c)

Ionic

d)

Metallic

24.

Ionic solids do not conduct electricity because

a)

There are no electrons in the atoms

b)

Solids can't conduct electricity

c)

The charged particles are not free to move

d)

They conduct heat instead

25.

The atom with the greatest electronegativity is

a)

N

b)

O

c)

F

d)

H

26.

Which atom is the pairing HF has the greatest attraction to the shared electrons?

a)

H

b)

F

27.

CH4 is a _________ molecule

a)

Polar

b)

Non-polar

28.

SBr2 is a v-shaped molecule. This means that it will be ____

a)

Polar

b)

Non-polar

29.

CH3F will be a ________ molecule

a)

Polar

b)

Non-polar

30.

Carbon atoms can form ________ covalent bonds

a)

1

b)

2

c)

3

d)

4

31.

Chlorine has _______ lone pairs of electrons

a)

1

b)

2

c)

3

d)

4

32.

The strongest intermolecular force is

a)

Dispersion forces

b)

Dipole-Dipole interactions

c)

Covalent bonds

d)

hydrogen bonding

33.

The melting point of a covalent compound depends on

a)

The covalent bonds

b)

The strength of the intermolecular attractions

c)

The strength of the intramolecular attractions

d)

Ions

34.

The structural formula of the molecule pictured is

a)

CH4COOH

b)

C2H4O2

c)

C4H4O2

d)

CH3C2COOH

35.

Which option will show dipole-dipole interactions?

a)

CH4

b)

CH3F

c)

CO2

d)

C12