Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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A pure substance that cannot be broken down into a simpler chemical substance by
any physical or chemical means is called a(n)
a. | element | b. | compound | c. | atom | d. | isotope |
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2.
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Water is an example of a(n)
a. | element | b. | compound | c. | metalloid | d. | halogen |
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3.
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An element that is lustrous, malleable, and ductile, and conducts heat and
electricity is called a
a. | metal | b. | non-metal | c. | noble
gas | d. | halogen |
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4.
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Which of the following elements is a metal?
a. | bromine | b. | phosphorus | c. | lithium | d. | carbon |
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5.
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Which of the following statements is true regarding non-metals?
a. | Non-metals are lustrous. | b. | Non-metals are malleable. | c. | Non-metals are good
conductors of heat and electricity. | d. | Non-metals are usually gases or powdery
solids. |
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6.
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Which of the following is an example of a metalloid?
a. | sodium | b. | boron | c. | potassium | d. | sulfur |
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7.
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The elements in Group 1 of the periodic table, which are shiny, silvery, soft,
and highly reactive, are called
a. | alkali metals | b. | alkaline earth metals | c. | noble
gases | d. | halogens |
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8.
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Which of the following elements is an example of an alkaline earth metal?
a. | lithium | b. | sodium | c. | beryllium | d. | potassium |
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9.
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An element in Group 17 of the periodic table is called a(n)
a. | alkali metal | b. | alkaline earth metal | c. | noble
gas | d. | halogen |
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10.
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Which of the following elements is an example of a halogen?
a. | fluorine | b. | helium | c. | neon | d. | argon |
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11.
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The smallest unit of an element is called a(n)
a. | neutron | b. | electron | c. | proton | d. | atom |
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12.
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Lithium has an atomic number of 3. This number indicates that an atom of
lithium
a. | contains 3 protons | b. | contains 3 neutrons | c. | contains a total of
3 protons and neutrons | d. | has an atomic mass of 3
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13.
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Which of the following atomic particles is (are) negatively charged?
a. | proton | b. | electron | c. | neutron | d. | all of the
above |
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14.
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Which of the following scientists is credited with discovering the
proton?
a. | Thomson | b. | Dalton | c. | Rutherford | d. | Chadwick |
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15.
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If a neutral atom of aluminum has an atomic number of 13 and a mass number of
27, how many protons, electrons, and neutrons does the atom contain?
a. | 13 protons; 13 neutrons; 13 electrons | b. | 14 protons; 13 neutrons; 14
electrons | c. | 14 protons; 13 neutrons; 13 electrons | d. | 13 protons; 14 neutrons; 13
electrons |
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16.
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Charcoal, graphite, and diamond are made of
a. | elements from different chemical families | b. | elements from Group
1 of the periodic table | c. | elements from Group 18 of the periodic
table | d. | carbon atoms |
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17.
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Elements in the same column of the periodic table
a. | belong to the same chemical family | b. | have similar physical
properties | c. | have similar chemical properties | d. | all of the
above |
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18.
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The current version of the periodic table evolved from the one developed
by
a. | Democritus | b. | Mendeleev | c. | Aristotle | d. | Dalton |
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19.
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According to Chadwick’s planetary model of the atom, the mass of a neutron
is
a. | about the same as that of an electron | b. | about the same as that of a
proton | c. | about twice that of a proton | d. | about half that of an
electron |
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20.
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Who developed the “billiard ball model” of the atom?
a. | Aristotle | b. | Dalton | c. | Thomson | d. | Rutherford |
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