Section 9.2
Naming Molecules
Practice Test
1.
What is the formula for the binary compound of potassium and chlorine?
Binary Molecular Compound
Binary Acid
Contains only two different elements
Contains hydrogen and one other element
Second element uses name + -ide
Uses hydro + root of second element + -ic and acid
a.
KCl
b.
KCl
2
c.
K
2
ClO
3
d.
KHCl
Hint
2.
Which of the following is the formula for nitric acid?
Formula
Acid Name
H
2
SO
3
Sulfurous acid
H
2
SO
4
Sulfuric acid
a.
HN
b.
HNO
c.
HNO
2
d.
HNO
3
Hint
3.
What is the molecular compound name for hydrazine, N
2
H
4
?
Number of atoms
Prefix
1
mono-
2
di-
3
tri-
a.
dinitrogen hydride
b.
dinitrogen tetrahydride
c.
trinitrogen pentahydride
d.
trinitrogen quatrohydride
Hint
4.
A binary compound is a ___________.
a.
compound made of one type of atom
b.
compound made of polyatomic ions
c.
compound made of two types of atoms
d.
compound made of three types of atoms
Hint
5.
What is the name of the aqueous solution of H
2
SO
4
?
a.
hydrogen persulfide
b.
sulfuric acid
c.
sulfurous acid
d.
hydrogen persulfate
Hint
6.
What is the formula for the binary compound of aluminum and nitrogen?
a.
Al
2
N
2
b.
Al
2
N
c.
AlN
2
d.
AlN
Hint
7.
The correct molecular compound name for H
2
O
2
is ________.
a.
hydrogen oxide
b.
dihydrogen dioxide
c.
dihydrogen monoxide
d.
hydrogen dioxide
Hint
8.
What is the correct name for HBr in an aqueous solution?
a.
hydrobromic acid
b.
hydrogen bromide
c.
bromic acid
d.
bromous acid
Hint
9.
What is the correct name for H
2
SO
3
in an aqueous solution?
a.
sulfuric acid
b.
sulfurous acid
c.
hydrosulfuric acid
d.
hydrosulfic acid
Hint
10.
What is the chemical formula for dintrogen hexoxide?
a.
NO
3
b.
NO
2
c.
N
2
O
5
d.
N
2
O
6
Hint
