Earth Science Geology, the Environment, and the Universe

Section 1: Matter

Self-Check Quizzes-English

1
According to the symbols shown in the figure, in which state of matter do these elements occur?
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A)plasma
B)solid
C)liquid
D)gas
2
What is a substance that cannot be broken down into simpler substances while still retaining all the characteristics of the original substance?
A)a solid
B)matter
C)a gas
D)an element
3
What determines the chemical behavior of an element?
A)Its isotopes
B)the valence electrons
C)the size of the nucleus
D)the number of energy levels
4
What particle(s) make up the nucleus of an atom?
A)electrons only
B)neutrons and electrons
C)protons and neutrons
D)protons only
5
The number of protons in an atom's nucleus is the __________.
A)radioactivity number
B)isotopic number
C)atomic number
D)mass number
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