Biology, 03.10.2021 09:40 jordnnnn102
Which of the following descriptions applies only to Periods?
Elements change from reactive metal to unreactive nonmetal
Rows 1-7 on the periodic table
Elements have the same number of valence electrons
Elements have similar characteristics
Every element is in one
Columns 1-18 on periodic table
Elements have the same number of energy levels
Information about the element can be obtained from it.
Answers: 3
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Which of the following descriptions applies only to Periods?
Elements change from reactive metal t...
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