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Covalent Bonding

Total questions: 27

Worksheet time: 34mins

Name
Class
Date
1.

What is it called if there are three-pairs of electrons being shared?

a)

Triple Bond

b)

Three Single Bonds

c)

Tribond

d)

Double and Single Bond Combo

2.

Which of the following is the best representation of a molecule of fluorine (F2)?

a)

A

b)

B

c)

C

d)

D

3.

Carbon is in 4A, so how many bonds can it form based on electrons needed to fill its outer shell?

a)

1

b)

3

c)

4

d)

5

4.
What is a diatomic element?
a)
a metal bonded with a nonmetal
b)
2 or more nonmetals bonded together
c)
2 or more metals bonded together
d)
2 atoms of the same element bonded together
5.
How many electrons are shared in a double bond?
a)
2
b)
4
c)
6
d)
8
6.

When two nonmetals do not share electrons evenly, the resulting covalent bond will be

a)

nonpolar

b)

polar

c)

ionic

d)

metallic

7.

Which formula is for phosphorus trichloride?

a)

KCl3

b)

PCl3

c)

K3Cl

d)

P3Cl

8.

Silicon dioxide is the compound in sand. What is its formula?

a)

SO2

b)

NaO2

c)

SiO2

d)

SiO

9.
The chemical formula of sulfur hexabromide is
a)
SBr₆
b)
S₆Br
c)
S(VI)Br
d)
S6Br
10.

What is the formula for diphosphorus pentoxide?

a)

P2O5

b)

PO5

c)

P5O2

d)

P2O6

11.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
12.

Which of the following is a covalent compound?

a)
CaO
b)
NaOH
c)
BaCl2
d)
Br2
13.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
14.
Which of the following is the correct Lewis structure for the compound PBr3?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
15.
In CO2, how many UNSHARED pairs of electrons does each oxygen have?
a)
2
b)
1
c)
4
d)
6
16.
In the correct Lewis structure for CH4, how many unshared electron pairs surround the carbon?
a)
2
b)
8
c)
0
d)
4
17.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
18.

How many total valence electrons are participating in bonding in the molecule above?

a)

8

b)

4

c)

2

d)

3

19.

CO2 has how many lone pairs?

a)

0

b)

1

c)

2

d)

3

e)

4

20.

NH3 has how many lone pairs?

a)

0

b)

1

c)

2

d)

3

21.

CCl4 has how many double bonds?

a)

0

b)

1

c)

2

d)

3

22.

In HCN (Carbon is usually the central atom) what kind of bond is between the C and N

a)

Single

b)

Double

c)

Triple

23.

CHCl3 has how many double bonds?

a)

0

b)

1

c)

2

d)

3

24.

HClO

a)

hypochlorous acid

b)

chlorous acid

c)

chloric acid

d)

perchloric acid

25.

HClO2HClO_2  

a)

hypochlorous acid

b)

chlorous acid

c)

chloric acid

d)

perchloric acid

26.

HClO3HClO_3  

a)

hypochlorous acid

b)

chlorous acid

c)

chloric acid

d)

perchloric acid

27.

HClO4HClO_4  

a)

hypochlorous acid

b)

chlorous acid

c)

chloric acid

d)

perchloric acid

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