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As you move across a row from left to right in the period table, atomic numbers of the elements a. decrease. b. increase. c. double. d. stay the same.
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As you move across a row from left to right in the period table, atomic numbers of the elements

a. decrease.
b. increase.
c. double.
d. stay the same.

User ShemTov
by
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1 Answer

3 votes
As you move across a row from left to right in the periodic table, atomic numbers of elements increase. So the answer is letter b. increase.
User Saxon
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