Chemistry Reference
In-Depth Information
Chapter 4 Examination
Part I—Matching
Match the following terms to the definitions that follow. Not all of the
terms will be used.
a. non-polar covalent bond
b. polar covalent bond
c. ionic bond
d. polyatomic ion
f. resonance
g. organic compounds
h. hydrocarbons
i. isomers
e. coordinate covalent bond
_____1. Compounds with the same molecular formula but different
structural formulas.
_____2. The group of compounds containing the elements carbon and
hydrogen.
_____3. A group of covalently bonded atoms, which obtain a charge.
_____4. The type of bond formed between two atoms with a difference of
electronegativity of greater than 1.7.
_____5. The type of bond formed when one atom provides both of the
electrons that will be shared between two atoms.
_____6. The name for the class of compounds that contain carbon.
_____7. The type of bond that forms between the atoms in a diatomic
molecule, such as H
2
.
Part II—Multiple Choice
Select the best answer choice for each of the following questions.
8.
Which of the following represents a saturated compound?
a) CH
4
b) C
2
H
2
c) C
2
H
4
d) C
3
H
6
9.
Which of the following represents a saturated compound?
a) ethene
b) ethyne
c) propane
d) propene
10. How many carbon atoms does a molecule of octane contain?
a) 2
b) 4
c) 6
d) 8
