WorksheetsCovalent Compounds
Total questions: 45
Worksheet time: 53mins
Name
Class
Date
1.
What do the name of all binary compounds, both covalent and ionic, end in?
a)
-ide
b)
-ite
c)
-ade
d)
-ate
2.
Which of the following is NOT a diatomic molecule?
a)
B2
b)
Cl2
c)
O2
d)
F2
3.
In a complete Lewis structure, each nonmetal atom is USUALLY surrounded by how many electrons?
a)
2
b)
4
c)
6
d)
8
4.
What two elements are the exception to the octet rule?
a)
H, Br
b)
H, He
c)
He, Ne
d)
Br, Ne
5.
Which of the following will you NEVER see in covalent compounds?
a)
prefixes
b)
subscripts
c)
roman numerals
d)
nonmetals
6.
How does a covalent bond differ from an ionic bond?
a)
Ionic bonds involve two metals, while covalent bonds involve two nonmetals
b)
Ionic bonds only involve two electrons and covalent bonds involve four electrons
c)
Ionic bonds involve the sharing of electrons and covalent bonds involve the transfer of electrons
d)
Ionic bonds involve a metal and a nonmetal, covalent bonds only involve nonmetals
7.
How many electrons are shared in a single bond?
a)
1
b)
2
c)
4
d)
6
8.
How many electrons are shared in a triple bond?
a)
1
b)
2
c)
4
d)
6
9.
How many single bonds are in a molecule of selenium trioxide?
a)
1
b)
2
c)
3
d)
4
10.
How many double bonds are there is sulfur trioxide?
a)
1
b)
2
c)
3
d)
4
11.
Which of the following molecules contains a triple bond?
a)
N2
b)
O2
c)
CCl4
d)
NF3
12.
A nonpolar molecule ____ has polar bonds.
a)
Always
b)
Sometimes
c)
Never
13.
What type of ion can NEVER be present in covalent compounds?
a)
Monoatomic ions
b)
Polyatomic ions
c)
Both can be present
d)
Neither can be present
14.
Which of the following is true about covalent compounds?
a)
hard
b)
high melting points
c)
poor conductors
d)
dissolves easily in water
15.
Is a bond between hydrogen and oxygen polar or nonpolar?
a)
Polar
b)
Nonpolar
16.
Is a bond between nitrogen and chlorine polar or nonpolar?
a)
Polar
b)
Nonpolar
17.
Is a bond between nitrogen and phosphorus polar or nonpolar?
a)
Polar
b)
Nonpolar
18.
Is a bond between antimony and tellurium polar or nonpolar?
a)
Polar
b)
Nonpolar
19.
What is the correct name for C4H6?
a)
Carbon Hexahydride
b)
Pentacarbon Pentahydride
c)
Hexacarbon Tetrahydride
d)
Tetracarbon Hexahydride
20.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
21.
What is the formula for Tricarbon Octahydride?
a)
Ca3O
b)
C2H8
c)
C3H8
d)
Ca3H8
22.
What is Sulfur Trichloride?
a)
SCl3
b)
SiCl3
c)
SCl4
d)
Si3Cl
23.
What is the formula for phosphorous trichloride?
a)
PCl3
b)
P3Cl
c)
P3Cl3
d)
PCL
24.
Name the following compound: P2O5
a)
Phosphorus Oxide
b)
Pentaphosphorus Dioxide
c)
Diphosphorous pentoxide
d)
Phosphoric Oxygen
25.
Name the following compound: PBr5
a)
Phosphorus Bromide
b)
Phosphorus Pentabromide
c)
Pentaphosphorus bromide
d)
Phosphorus Bromine
26.
The covalent compound N2O5 would be named
a)
nitrogen oxide.
b)
dinitrogen oxide.
c)
nitrogen pentoxide.
d)
dinitrogen pentoxide.
27.
Disulfur trioxide has a formula of...
a)
S3O2
b)
SO
c)
S2O3
d)
S2O
28.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
29.
Name this compound:
NaBr
NaBr
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
30.
Write the formula for copper (I) phosphide
a)
Cu3P
b)
CuP
c)
Cu1P
d)
CuP3
31.
Which of these compounds is ionic?
a)
Carbon dioxide
b)
Dinitrogen trioxide
c)
Silicon tetrachloride
d)
Lithium bromide
32.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
33.
Draw the Lewis structure for OF2 and determine the number of lone pairs on the central atom.
a)
none
b)
1
c)
2
d)
it's ionic
34.
Which is the correct structure for NH3?
Pictures correspond with a-d.
Pictures correspond with a-d.
a)
Option A.
b)
Option B.
c)
Option C.
d)
Option D.
35.
Choose the structure that forms a double bond.
a)
Carbon monoxide (CO)
b)
Carbon dioxide (CO2)
c)
Water (H2O)
d)
Cyanic Acid (HCN)
36.
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
37.
Is this a correct Lewis structure for HCN?
a)
yes
b)
no
38.
How many electrons does each line indicate are shared?
a)
1
b)
2
c)
3
d)
4
39.
A molecule with a single covalent bond is ___.
a)
CO2
b)
Cl2
c)
CO
d)
N2
40.
In the Lewis structure for sulfur dichloride, sulfur is surrounded by twelve electrons.
a)
True
b)
False
41.
Which is NOT an intramolecular force?
a)
Polar Covalent Bond
b)
Nonpolar Covalent Bond
c)
London Dispersion Force
d)
Ionic Bond
42.
Select all of the following that are intermolecular forces.
a)
Dipole-Dipole
b)
London Dispersion Force
c)
Polar Covalent Bond
d)
Hydrogen Bonding
43.
In order for hydrogen bonding to occur, hydrogen must be bonded to ...
a)
... any atom
b)
...N, O, or F
c)
...H or O only
d)
...N or O only
44.
Which is the strongest intramolecular force below?
a)
Covalent
b)
London Dispersion
c)
Hydrogen
d)
Metallic
45.
Intermolecular force present in HCl?
a)
Dipole-Dipole
b)
London Dispersion
c)
Hydrogen Bond
d)
Ionic
100 %
