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An atom has two valence electrons, but four shells. This element is a member of which group or family? A. halogen B. noble gas C. alkaline earth metal D. alkali metal
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An atom has two valence electrons, but four shells. This element is a member of which group or family?

A. halogen
B. noble gas
C. alkaline earth metal
D. alkali metal

User Fdsaas
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The correct answer is C: the alkaline earth metals!
User Lyschoening
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