wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Lewis structures and molecule geometry

Total questions: 10

Worksheet time: 56mins

Name
Class
Date
1.

How many bonding electrons are in the Lewis structure of N2?

a)

2

b)

3

c)

4

d)

6

2.

How many valence electrons are in the nitrate ion?

a)

18

b)

22

c)

23

d)

24

3.

The total number of electrons to be counted for the Lewis structure of the PO43- polyatomic ion is:

a)

8

b)

26

c)

29

d)

32

4.

The correct Lewis structure for BF3 would have exactly:

a)

1 double bond.

b)

2 double bonds.

c)

1 triple bond.

d)

no double bonds.

5.

Which molecule below would have a Lewis structure that is an exception to the octet rule?

a)

BH3

b)

NO

c)

SI6

d)

all of these

6.

What is the molecular geometry if you have 4 single bonds around the central atom and no lone pairs?

a)

bent

b)

linear

c)

tetrahedral

d)

trigonal pyramidal

7.

What is the molecular geometry of carbon dioxide, CO2?

a)

bent

b)

linear

c)

tetrahedral

d)

trigonal pyramidal

8.

What is the molecular geometry of SiH4?

a)

bent

b)

linear

c)

tetrahedral

d)

trigonal pyramidal

9.

What is the molecular geometry of CCl4?

a)

bent

b)

linear

c)

tetrahedral

d)

trigonal pyramidal

10.

What is the angle between electron groups in the trigonal planar geometry?

a)

90°

b)

109.5°

c)

120°

d)

180°