Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Oxygen, nitrogen,
and carbon dioxide may be grouped together because at room temperature they are all a
_______. a. | gas | c. | colloid | b. | liquid | d. | solid | | | | |
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2.
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All elements are
made up of _______. a. | mixtures | c. | solutions | b. | compounds | d. | atoms | | | | |
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3.
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Use the table
below to answer this question.
Which element is most
abundant in Earth’s crust? a. | oxygen | c. | aluminum | b. | silicon | d. | iron | | | | |
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4.
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_______ have a
negative charge a. | neutrons | c. | nuclei | b. | protons | d. | electrons | | | | |
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5.
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Because sulfur
cannot be broken down (separated) by simple chemical methods into two or more different substances,
it is classified as _______. a. | a mixture. | c. | an
element. | b. | a
molecule. | d. | a compound. | | | | |
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6.
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An atom has a
nucleus, which contains _______. a. | electrons and particles | c. | electrons and neutrons | b. | protons and neutrons | d. | electrons and protons | | | | |
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7.
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Use the
Periodic Table below to answer this question.
The abbreviations on a
periodic table stand for _______. a. | molecules | c. | mixtures | b. | elements | d. | compounds | | | | |
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8.
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Which is the
smallest?
a. | atom | c. | molecule of
water | b. | speck of
dust | d. | plant cell | | | | |
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9.
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Atoms bond
together through sharing or transfer of __________.
a. | electrons | c. | nuclei | b. | protons | d. | neutrons | | | | |
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True/False
Indicate whether the sentence or statement is true
or false.
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10.
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There are many
more substances in nature than there are elements.
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