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Worksheets

Covalent Compounds

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Each contains polar bonds but only one is a polar molecule

a)

CO2

b)

NH3

c)

CCl4

d)

CH4

2.

The shape of a molecule with 4 pairs of bonding electrons

a)

linear

b)

tetrahedral

c)

trigonal planar

d)

trigonal pyramidal

3.

Why do atoms bond?

a)

to become more polar

b)

to increase their atomic number

c)

to have noble gas electron configuration

d)

to become ions

4.

VSEPR indicates ____ must be as far apart as possible

a)

inner electrons

b)

hybrid electrons

c)

valence electrons

d)

dipole electrons

5.

The shape of methane CH4

a)

square pyramidal

b)

trigonal pyramidal

c)

tetrahedral

d)

saw horse

6.

Which intermolecular force is weakest

a)

single covalent bond

b)

London dispersion

c)

hydrogen bond

d)

dipole interactions

7.

What type of solid has the highest boiling point

a)

network solid

b)

nonmetallic solid

c)

ionic solid

d)

metals

8.

A substance that has regions of positive change and negative charge is

a)

an ion

b)

heterogeneous mixtures

c)

polar molecules

d)

oxygen gas

9.

Using VSEPR theory, what shape would a molecule with this format have AX2

a)

trigonal planar

b)

tetrahedral

c)

linear

d)

bent

10.

When drawing a Lewis structure, the central atom usually has

a)

the fewest electrons

b)

lowest electronegativity

c)

greatest mass

d)

highest atomic number