Glencoe Earth Science

Chapter 2: Matter

Matter

1
An element is a substance that contains __________.
A)only one type of molecule
B)many types of atoms
C)different molecules
D)only one type of atom
2
In which of the following states of matter are the atoms and molecules farthest apart?
A)solid
B)liquid
C)gas
D)solution
3
What happens chemically when an apple browns?
A)Carbon dioxide interacts with the apple.
B)Oxygen interacts with the apple.
C)Nitrogen interacts with the apple.
D)The apple loses protons.
4
Electrons carry __________.
A)a neutral charge
B)no charge at all
C)a negative charge
D)a positive charge
5
Which state of matter, found in stars, is most common?
A)gas
B)plasma
C)liquid
D)solid
6
Two isotopes of carbon, carbon-12 and carbon-14, have different numbers of __________.
A)isotopes
B)neutrons
C)protons
D)electrons
7
An example of a physical property is __________.
A)flammability
B)density
C)combustibility
D)ability to rust
8
Describe the electrons in a bar of gold.
A)found in the nucleus
B)moving freely through the metal
C)orbiting their nuclei
D)being shared in covalent bonds
9
Which of the following is the smallest particle that makes up all matter?
A)molecules
B)cells
C)isotopes
D)atoms
10
Mass divided by volume describes __________.
A)melting point
B)density
C)state of matter
D)how well mixed a substance is
11
The atomic number of an atom is the number of __________.
A)neutrons
B)electrons
C)protons and neutrons
D)protons
12
Helium has two protons and two neutrons. What is its mass number?
A)4
B)0
C)22
D)2
13
Electrons that are shared are called ___________.
A)bonding
B)ionic
C)strewn
D)valence
14
An example of a chemical property is __________.
A)melting point
B)flammability
C)color
D)hardness
15
How do scientists study atoms?
A)telescopes
B)microscopes
C)models
D)magnifying glasses
16
Protons and neutrons are found in the __________.
A)electron cloud
B)orbitals
C)bonds
D)nucleus
17
Water and alcohol contain hydrogen bonds; therefore, they have __________ molecules.
A)nonpolar
B)polar
C)ionic
D)metallic
18
Which is easiest to separate?
A)solution
B)compound
C)element
D)mixture
19
When an ionic bond is formed, electrons are __________ another atom.
A)destroyed in
B)given to
C)given to or taken from
D)taken from
20
Which state of matter do you not observe readily in your daily life?
A)liquid
B)plasma
C)solid
D)gas
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