Matching
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Match each item with the correct statement below. a. | monatomic
ion | f. | cation | b. | acid | g. | binary compound | c. | base | h. | anion | d. | law of definite proportions | i. | polyatomic ion | e. | law of multiple
proportions | | | | |
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1.
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consists of a single atom with a positive or negative charge
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2.
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atom
or group of atoms having a negative charge
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3.
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atom
or group of atoms having a positive charge
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4.
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tightly-bound group of atoms that behaves as a unit and carries a net
charge
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5.
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compound composed of two different elements
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6.
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produces a hydrogen ion when dissolved in water
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7.
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produces a hydroxide ion when dissolved in water
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8.
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In
any chemical compound, the masses of elements are always in the same proportion by
mass.
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9.
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when
two elements form more than one compound, the masses of one element that combine with the same mass
of the other element are in the ratio of small, whole numbers
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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10.
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What
type of ions have names ending in -ide? a. | only cations | c. | only metal ions | b. | only
anions | d. | only gaseous
ions | | | | |
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11.
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When
Group 2A elements form ions, they ____. a. | lose two protons | c. | lose two electrons | b. | gain two
protons | d. | gain two
electrons | | | | |
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12.
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What
is the correct name for the N
ion? a. | nitrate
ion | c. | nitride
ion | b. | nitrogen
ion | d. | nitrite
ion | | | | |
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13.
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When
naming a transition metal ion that can have more than one common ionic charge, the numerical value of
the charge is indicated by a ____. a. | prefix | c. | Roman numeral following the name | b. | suffix | d. | superscript
after the name | | | | |
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14.
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Aluminum is a group 3A metal. Which ion does A1 typically form?
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15.
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Which
of the following correctly provides the name of the element, the symbol for the ion, and the name of
the ion? a. | fluorine,
F , fluoride
ion | c. | copper,
Cu , cuprous ion | b. | zinc,
Zn , zincate
ion | d. | sulfur,
S , sulfurous
ion | | | | |
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16.
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The
nonmetals in Groups 6A and 7A ____. a. | lose electrons when they form ions | b. | have a numerical
charge that is found by subtracting 8 from the group number | c. | all have ions
with a –1 charge | d. | end in -ate | | |
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17.
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What
determines that an element is a metal? a. | the magnitude of its charge | c. | when it is a Group A element | b. | the molecules
that it forms | d. | its position in
the periodic table | | | | |
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18.
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Which
of the following is NOT a cation? a. | iron(III) ion | c. | Ca | b. | sulfate | d. | mercurous ion | | | | |
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19.
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In
which of the following are the symbol and name for the ion given correctly?
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20.
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An
-ate or -ite at the end of a compound name usually indicates that the compound contains
____. a. | fewer electrons
than protons | c. | only two
elements | b. | neutral molecules | d. | a polyatomic anion | | | | |
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21.
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Which
of the following compounds contains the Mn
ion?
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22.
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Which
of the following is true about the composition of ionic compounds? a. | They are
composed of anions and cations. | b. | They are composed of anions only. | c. | They are
composed of cations only. | d. | They are formed from two or more nonmetallic
elements. | | |
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23.
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Which
of the following formulas represents an ionic compound?
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24.
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Which
of the following correctly represents an ion pair and the ionic compound the ions
form?
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25.
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Which
of the following compounds contains the lead(II) ion?
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26.
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What
is the correct formula for potassium sulfite?
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27.
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Molecular compounds are usually ____. a. | composed of two
or more transition elements | b. | composed of positive and negative
ions | c. | composed of two
or more nonmetallic elements | d. | exceptions to the law of definite
proportions | | |
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28.
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What
is the ending for the names of all binary compounds, both ionic and molecular?
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29.
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Binary molecular compounds are made of two ____. a. | metallic
elements | c. | polyatomic
ions | b. | nonmetallic
elements | d. | cations | | | | |
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30.
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Which
of the following correctly shows a prefix used in naming binary molecular compounds with its
corresponding number? a. | deca-, 7 | c. | hexa-, 8 | b. | nona-,
9 | d. | octa-,
4 | | | | |
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31.
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Which
of the following formulas represents a molecular compound? a. | ZnO | c. | SO | b. | Xe | d. | BeF | | | | |
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32.
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When
dissolved in water, acids produce ____. a. | negative ions | c. | hydrogen ions | b. | polyatomic
ions | d. | oxide
ions | | | | |
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33.
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What
is the name of H SO ? a. | hyposulfuric acid | c. | sulfuric acid | b. | hydrosulfuric
acid | d. | sulfurous
acid | | | | |
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34.
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What
is the formula for phosphoric acid?
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35.
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Which
of the following are produced when a base is dissolved in water? a. | hydronium
ions | c. | hydrogen
ions | b. | hydroxide
ions | d. | ammonium
ions | | | | |
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36.
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How
are bases named? a. | like monatomic
elements | c. | like ionic
compounds | b. | like polyatomic ions | d. | like molecular compounds | | | | |
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37.
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Which
of the following pairs of substances best illustrates the law of multiple
proportions? a. | H and O | c. | CaCl and CaBr | b. | | d. | NO and
NO | | | | |
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38.
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Select the correct formula for sulfur hexafluoride.
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39.
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Suppose you encounter a chemical formula with H as the cation. What do you know about
this compound immediately? a. | It is a polyatomic ionic
compound. | c. | It is a
base. | b. | It is an acid. | d. | It has a  1 charge. | | | | |
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40.
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Which
of the following is the correct name for N O ? a. | nitrous oxide | c. | nitrogen dioxide | b. | dinitrogen
pentoxide | d. | nitrate
oxide | | | | |
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