Free Printable Covalent Bonding

1.

In a molecule of fluorine, the two shared electrons give each fluorine atom ____ electron(s) in the outer energy level.

11

a)

1

b)

2

c)

8

d)

10

2.

What is the molecular geometry of carbon dioxide?

a)

tetrahedral

b)

trigonal planar

c)

bent

d)

linear

3.

Of the following molecules, only __________ is polar.

a)

$BCl_3$

b)

$Cl_2$

c)

$NCl_3$

d)

$CCl_4$

4.

a)

I and II

b)

II and III

c)

III and IV

d)

I, II, III, and IV

5.

$BF_3$ The bond angle of this molecule is...

a)

118

b)

180

c)

120

d)

109,5

6.

In which of these compounds is the bond between the atoms NOT a non-polar covalent bond?

a)

$Cl_2$

b)

$HCl$

c)

$O_2$

d)

$H_2$

7.

Which of the following has hydrogen bonding between the molecules?

a)

$H_2S$

b)

$NO_2$

c)

$NH_3$

d)

$CBr_4$

8.

When the octet rule is satisfied, the outermost ____ are filled.

a)

s and d orbitals

b)

d and f orbitals

c)

d and p orbitals

d)

s and p orbitals

9.

a)

1

b)

3

c)

5

d)

8

10.

a)

London dispersion forces, dipole-dipole forces, and hydrogen bonding

b)

London dispersion forces and dipole-dipole forces

c)

dipole-dipole forces only

d)

London dispersion forces only

11.

a)

London dispersion

b)

London dispersion and dipole-dipole

c)

covalent bonds

d)

London dispersion, dipole-dipole, and hydrogen bonding

12.

a)

C - H

b)

C - C

c)

O - C

d)

O - H

e)

O - O

13.

a)

bent

b)

linear

c)

trigonal planar

d)

trigonal pyramidal

14.

Which of the following molecules will have the largest bond angle?

a)

$CO_2$

b)

$NH_3$

c)

$CH_4$

d)

$H_2O$

15.

a)

Dichloromethane is ionic while difluoromethane is molecular.

b)

Difluoromethane is more polar and thus must have stronger intermolecular forces.

c)

Difluoromethane has hydrogen-bonding while dichloromethane does not

d)

Dichloromethane has stronger intermolecular attractions even though difluoromethane has a larger dipole moment. The larger London dispersion attractions between dichloromethane are stronger than the dipole-dipole attractions between difluoromethane molecules.

16.

a)

8

b)

10

c)

7

d)

6

17.

Which of the following is a non-polar molecule?

a)

$H_2Se$

b)

$N_2$

c)

$CCl_3H$

d)

$NH_3$

18.

Which of the following intermolecular forces account for the fact that noble gases can liquefy?

a)

dipole-dipole forces

b)

hydrogen bonding

c)

ion-dipole forces

d)

London dispersion forces

Covalent Bonding

Total questions: 18

Worksheet time: 9mins

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