Glencoe Earth Science

Chapter 2: Matter

Standardized Test Practice

1
Which is NOT an example of matter?
A)air
B)heat
C)phone
D)tree
2
Which best explains how electrons are arranged around an atom?
A)in a cloud
B)in an orbit
C)clockwise
D)counterclockwise
3
What is the overall charge of a neutral atom?
A)7
B)1
C)0
D)-1
4
If an atom has 6 protons and 11 neutrons, what is its mass number?
A)5
B)17
C)6
D)12
5
What holds atoms together in compounds?
A)gravity
B)strong nuclear force
C)friction
D)chemical bonds
6
Which type of bond can form without the interactions of electrons?
A)covalent
B)hydrogen
C)ionic
D)metallic
7
Which is a homogeneous mixture?
A)chili
B)granite
C)ocean water
D)salad
8
Which is the most common state of matter in the universe?
A)gas
B)liquid
C)plasma
D)solid
9
A glass contains liquid water. Which explains how the water particles move?
A)The particles move freely and independently.
B)The particles vibrate but do not move.
C)The electrons escape and move outside of the electron cloud.
D)The particles can change positions with each other.
10
An isotope contains a different number of _______ than other atoms of the same element.
A)electrons
B)neutrons
C)particles
D)protons
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