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Covalent Bonding Practice 1

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

Which of the following compounds is held together by an ionic bond?

a)

NaCl

b)

H2O

c)

N2

d)

HCl

2.

Which two elements are most likely to form a covalent bond?

a)

C and Ca

b)

P and F

c)

Sr an S

d)

Li and Cl

3.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
4.
silicon dioxide
a)
SO2
b)
NaO2
c)
SiO2
d)
SiO
5.
diphosphorus pentoxide
a)
P2O5
b)
PO5
c)
P5O2
d)
P2O6
6.
SiCl4
a)
silicon tetrachloride
b)
silicon quadchloride
c)
monosilicon tetrachloride
d)
silicon chloride
7.
The name of SO₃ compound is
a)
sulfate
b)
sulfur oxide
c)
sulfur trioxide
d)
monosulfur trioxide
8.

What is the chemical name for H2O

a)

Hydrogen Oxide

b)

Oxygen Dinitride

c)

Hydrogen oxalate

d)

Dihydrogen Monoxide

9.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
10.
What is the correct chemical formula for Nitrogen Triiodide?
a)
NI3
b)
N3I3
c)
NOI
d)
NeI3
11.

Which of the following is NOT an ionic compound:

a)

CaO

b)

NaOH

c)

BaCl2

d)

H2S

12.
What is the chemical formula for Tetrasulfur pentoxide?
a)
SO
b)
S4O
c)
S4O5
d)
S5O4
13.

How are covalent bonds explained?

a)

When one atom takes the other atom's electron

b)

When the atom shares an electron with an another atom

c)

The attraction between two atoms electrons forms a bond

d)

The attraction between two atoms nuclei forms a bond

14.
How many electrons are shared in a double bond?
a)
2
b)
4
c)
6
d)
8
15.

What causes a polar molecule to form?

a)

Electrons spending more time around one side of a molecule causing + and - charges to form.

b)

Protons spending more time around one side of a molecule causing + and - charges to form.

c)

Electrons spend equal time around both sides of a molecule causing no charges to form

d)

Protons spend equal time around both sides of a molecule causing no charges to form

16.
What is the name of C3Cl?
a)
Carbon octachloride
b)
Tricarbon octachloride
c)
Carbon trichloride
d)
Octacarbon trichloride
17.

What is the proper chemical name of the following compound? Cu2O

a)

Dicopper oxide

b)

Dicopper (I) oxide

c)

Copper (I) oxide

d)

Copper oxide

18.

What is the correct chemical name for K2S?

a)

Potassium sulfide

b)

Dipotassium sulfide

c)

Potassium (I) sulfide

d)

Dipotassium (I) sulfide

19.

What is the correct name of LiCl

a)

Lithium monochloride

b)

Lithium chloride

c)

Lithium (I) chloride

d)

Lithium (I) monochloride

20.

What is the correct name of XeF4

a)

Xenon fluoride

b)

Xenon tetrafluoride

c)

Xenon fluorate

d)

Xenon tetrafluorate