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Covalent Compounds

Total questions: 21

Worksheet time: 15mins

Name
Class
Date
1.
Elements combine to form __________.
a)
compounds
b)
atoms
c)
positive ions
d)
negative ions
2.
What part of an atom is involved in chemical bonding?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
3.

N₂O₅

(a)  

4.

CO₂

(a)  

5.

PCl₃

(a)  

6.

SO₃

(a)  

7.

N₂O

(a)  

8.

phosphorus tribromide

(a)  

9.

carbon tetrahydride

(a)  

10.

dihydrogen monoxide

(a)  

11.

Covalent bonds form between: ​

a)

two nonmetals

b)

two metals

c)

a metal and a nonmetal

d)

two alkali metals

e)

A metal and a noble gas

12.

NH3

(a)  

13.

Due to similarities in electronegativities, atoms involved in covalent bonds __________ valence electrons

a)

"share"

b)

"transfer"

c)

"don't have any"

d)

do not "share"

14.

What is the chemical formula for Carbon tetrachloride?

a)

CF4

b)

CCl4

c)

C4Cl4

d)

C4Cl

15.

What is the prefix for the number 10 ?

a)

deca-

b)

nona-

c)

hepta-

d)

hexa-

16.

Name the following compound: CO

a)

Monocarbon monoxide

b)

Carbon monoxide

c)

Carbon oxide

d)

Monocarbon oxide

17.

Name the following compound: SO3

a)

Sulfur trioxide

b)

Sulfur oxide

c)

Trisulfur oxide

d)

Sulfur dioxide

18.
Low melting point and low solubility in water are general properties of ______________________ compounds
a)
ionic
b)
covalent
c)
chemical
d)
glucose
19.
What part of an atom is involved in chemical bonding?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
20.

What is the total number of atoms in an CCl4 molecule?

a)

2

b)

3

c)

4

d)

5

21.

What is the greatest number of covalent bonds that one carbon atom can form?

a)

1

b)

2

c)

3

d)

4