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Why does atomic radius increase as you travel from top to bottom within a family? A. number of energy levels/ shells increases B.atomic mass decreases C.number of valence electrons increases D. atomic
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Why does atomic radius increase as you travel from top to bottom within a family?

A. number of energy levels/ shells increases
B.atomic mass decreases
C.number of valence electrons increases
D. atomic number decreases

User Gpvos
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I believe the answer to your question is A
User Faceless
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