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4 votes
Atoms that have the same number of valence electrons in their outer shell

A.
must be atoms of the same element.
B.
belong to the same family of elements.
C.
are all metallic elements.
D.
are all nonmetallic elements.

2 Answers

4 votes

Answer: B

Step-by-step explanation:

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User Alotor
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B. belong to the same family of elements.
User AlbinoDrought
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