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Lewis Dot Structures, Formal Charge, Resonance

Total questions: 23

Worksheet time: 33mins

Name
Class
Date
1.

What is the molecular geometry of BF3?

a)

bent

b)

trigonal planar

c)

tetrahedral

d)

trigonal pyramidal

2.

What is the molecular geometry of SO2?

a)

bent <120°

b)

bent <109.5°

c)

linear

d)

trigonal planar

3.

Which of the following forms an incomplete octet?

a)

CO2

b)

BrCl2

c)

H2O

d)

BeCl2

4.

Which of the following applies to IF41+

a)

incomplete octet

b)

follows the octet rules

c)

free radical

d)

expanded octet

5.

What is the formal charge on the oxygen atom at the top of this Lewis dot structure?

a)

0

b)

-1

c)

+1

d)

-3

6.

What is the formal charge on the oxygen at the the bottom left in this Lewis dot structure?

a)

0

b)

+1

c)

-1

d)

-2

7.

What is the formal charge on the oxygen atom at the top of this Lewis dot structure?

a)

0

b)

+1

c)

-1

d)

-2

8.

What is the picture showing?

a)

All of the resonance structures for carbonate.

b)

The formal charge on each atom in carbonate.

c)

The electronegativity for carbonate.

d)

The ionization energy for carbonate.

9.

What is the formal charge on the phosphorus atom in this Lewis dot structure?

a)

0

b)

-1

c)

+1

d)

-3

10.

How many resonance structures can be drawn for NOCl?

a)

0

b)

1

c)

2

d)

3

11.

How many resonance structures can be drawn for nitrate?

a)

0

b)

1

c)

2

d)

3

12.

What is the formal charge on the bromine atom in this Lewis dot structure?

a)

-1

b)

+1

c)

-2

d)

+2

13.

What is the molecular geometry of SF4?

a)

tetrahedral

b)

trigonal pyramidal

c)

trigonal bipyramidal

d)

seesaw

14.

What is the molecular geometry of PCl5

a)

trigonal bipyramidal

b)

seesaw

c)

square pyramidal

d)

square planar

15.

What is the molecular geometry for ICl5?

a)

trigonal bipyramidal

b)

seesaw

c)

square pyramidal

d)

square planar

16.

What is the hybridization on the carbon atom in CO2?

a)

sp

b)

sp2

c)

sp3

d)

sp3d

e)

sp3d2

17.

How many sigma bonds are in a single, double, and triple bond respectfully?

a)

1, 2, 3

b)

0, 1, 2

c)

1, 1, 2

d)

1, 1, 1

18.

How many pi bonds are in a single, double, and triple bond respectfully.

a)

0, 1, 2

b)

1, 2, 3

c)

1, 1, 1

d)

1, 1, 2

19.

How many sigma bonds are in CO2?

a)

0

b)

1

c)

2

d)

3

e)

4

20.

How many pi bonds are in CO2?

a)

0

b)

1

c)

2

d)

3

e)

4

21.

What is the hybridization on the nitrite ion, NO21-?

a)

sp

b)

sp2

c)

sp3

d)

sp3d

e)

sp3d2

22.

How many sigma bonds are in the nitrite ion, NO21-?

a)

0

b)

1

c)

2

d)

3

23.

How many pi bonds are in the nitrite ion, NO21-?

a)

0

b)

1

c)

2

d)

3