Earth Science Geology, the Environment, and the Universe

Chapter 3: Matter and Change

Multiple Choice Quiz

1
Isotopes have the same number of __________ but different numbers of __________.
A)neutrons, protons
B)neutrons, electrons
C)protons, neutrons
D)electrons, protons
2
What do the nuclei of some isotopes release during radioactive decay?
A)valence electrons
B)lead
C)their nuclei
D)radiation
3
What is the smallest particle of an element?
A)a neutron
B)an atom
C)an isotope
D)a proton
4
What type of atomic particle has a negative charge?
A)a neutron
B)a proton
C)an electron
D)an isotope
5
Electrons tend to occupy the __________ energy level.
A)highest available
B)intermediate
C)second
D)lowest available
6
What is an ion?
A)a molecule
B)an isotope
C)a charged particle
D)a gas
7
What is the attractive force between two particles of opposite charge called?
A)a compound force
B)a covalent bond
C)an ionic bond
D)an isotope
8
An Mg +2 particle has __________ electrons.
A)lost two
B)gained one
C)lost four
D)gained two
9
What makes an element stable?
A)if its outermost energy level is full
B)if it has the same number of neutrons and protons
C)if it has a covalent bond
D)if its nucleus is packed tightly
10
A __________ is composed of two or more atoms held together by covalent bonds.
A)a gas
B)molecule
C)ionic bond
D)covalent bond
11
What type of bond is shown in the figure?
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A)ionic
B)metallic
C)hydrogen
D)covalent
12
The hydrogen in a star is in a form known as ___________ .
A)quark soup
B)an energy cloud
C)a maelstrom
D)plasma
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