True/False
Indicate whether the statement is true or
false.
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1.
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Electronegativity is the ability of an atom to reject electrons
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Multiple Choice
Identify the choice that best completes the statement or
answers the question.
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2.
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The size of neutral atoms increases when moving _________ of the Periodic Table
of the Elements.
a. | up a Group | b. | across a Period, right to
left | c. | down a Group | d. | they never
increase |
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3.
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The atomic size of atoms has been ________________.
a. | measured by taking half the distance across its bond with another
atom | b. | estimated using electron microscopes | c. | measured with a very small
ruler | d. | atomic sizes are not known |
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4.
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When an atom gains an electron, its radius becomes ________.
a. | smaller | b. | larger | c. | the
same | d. | atoms never gain electrons |
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5.
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When an atom loses an electron to become a positive ion, its radius decreases
because ___________.
a. | there is less interaction between the remaining electrons | b. | there are now more
neutrons | c. | there is more positive force pulling the electrons in tighter | d. | there is no change
in radius size |
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