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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Which three groups of the Periodic Table contain
the most elements classified as metalloids (semimetals)?
a. | 1, 2, and 13 | b. | 14, 15, and 16 | c. | 16, 17, and
18 | d. | 2, 13, and 14 |
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2.
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Which halogens are gases at STP?
a. | chlorine and fluorine | b. | chlorine and bromine | c. | iodine and
bromine | d. | iodine and fluorine
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3.
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Which set of elements contains a
metalloid?
a. | K, Mn, As, Ar | b. | Ba, Ag, Sn, Xe | c. | Fr, F, O,
Rn | d. | Li, Mg, Ca, Kr |
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4.
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Europium is _____.
a. | a lanthanide | b. | an actinide | c. | a
gas | d. | an alkaline earth
metal |
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5.
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The 4s sublevel is filled _____.
a. | before the 3d sublevel | b. | before the 2s sublevel | c. | after the 4p
sublevel | d. | before the 3p
sublevel |
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6.
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Which group is called alkali metals?
a. | II A | b. | VIII A | c. | VII
A | d. | I A |
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7.
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The correct electron configuration for phosphorus
(P) is _____.
a. | 1s22s22p63s23p2 | b. | 1s22s1 | c. | 1s22s22p63s23p3
| d. | None of the above |
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8.
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A proton has approximately the same mass as
_____.
a. | a b particle | b. | an electron | c. | an a
particle | d. | a neutron |
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9.
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Ne has _______ electrons for sharing.
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10.
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Adding electrons to an ion _____.
a. | doesn't change the size | b. | makes it smaller than the neutral atom | c. | changes only the shape of the atom | d. | makes it larger than the neutral atom |
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11.
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A neutron has approximately the same mass as a
_____.
a. | an electron | b. | an a particle | c. | a b
particle | d. | a proton |
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12.
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Thorium is _____.
a. | a lanthanide | b. | an actinide | c. | a
gas | d. | an alkaline earth
metal |
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13.
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1s22s1 represents
_____.
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14.
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Atomic numbers in the Periodic Table _______ in the
periods from left to right.
a. | increases | b. | are almost the same | c. | are the same
| d. | decreases |
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15.
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Li has _______ electrons for sharing.
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16.
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Atomic numbers in the Periodic Table _______ in the
groups from top to the bottom.
a. | decreases | b. | are almost the same | c. | are the same
| d. | increases |
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17.
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Only electrons on the _______ energy level can be shared.
a. | outmost | b. | 2nd | c. | 3rd | d. | None of the
above |
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18.
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Transuranium elements have _____.
a. | atomic numbers less than 91 | b. | atomic numbers greater than 92 | c. | atomic numbers less than 92 | d. | atomic numbers greater than 91 |
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19.
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Which group is called alkaline earth
metals?
a. | I A | b. | II A | c. | VII
A | d. | VIII A |
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20.
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1 Angstrom (Å) is _____.
a. | 1 x 10 -10
m | b. | 1 x 10 -10 mm
| c. | 1 x 10 -100
m | d. | None of the above |
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