Glencoe Earth Science

Chapter 2: Matter

Section 2 Self-Check Quiz-Eng.

1.
An example of a compound is __________.
A)O2
B)N2
C)CO2
D)He
2.
Electrons that are shared are called ___________.
A)ionic
B)bonding
C)strewn
D)valence
3.
When an ionic bond is formed, electrons are __________ another atom.
A)given to
B)given to or taken from
C)taken from
D)destroyed in
4.
Describe the electrons in a bar of gold.
A)orbiting their nuclei
B)being shared in covalent bonds
C)found in the nucleus
D)moving freely through the metal
5.
Water and alcohol contain hydrogen bonds; therefore, they have __________ molecules.
A)polar
B)nonpolar
C)metallic
D)ionic
6.
Mud is a(n) __________ because it contains two or more substances mixed together.
A)compound
B)solution
C)element
D)mixture
7.
Which is easiest to separate?
A)solution
B)compound
C)mixture
D)element
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