Section 9.1
The Covalent Bond
Practice Test
1.
Which of the following bond length represents the strongest bond?
a.
0.95 x 10
-10
m
b.
1.10 x 10
-10
m
c.
1.21 x 10
-10
m
d.
1.43 x 10
-10
m
Hint
2.
When two or more atoms join together by sharing their outermost electrons, ________.
a.
an ionic compound is formed
b.
a molecular compound is formed
c.
a mixture is formed
d.
a solution is formed
Hint
3.
Single covalent bonds are also referred to as ___________.
a.
sigma bonds
b.
pi bonds
c.
delta bonds
d.
hydrogen bonds
Hint
4.
What is the charge on the simple monatomic ion that sulfur forms?
a.
1
+
b.
2
+
c.
1
–
d.
2
-
Hint
5.
How many sigma and how many pi bonds are present in the ethene molecule (C
2
H
4
)?
a.
4 sigma and 2 pi
b.
5 sigma and 2 pi
c.
4 sigma and 1 pi
d.
5 sigma and 1 pi
Hint
6.
Side—on overlaps of atomic orbitals are also referred to as ___________.
a.
sigma bonds
b.
pi bonds
c.
delta bonds
d.
hydrogen bonds
Hint
