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Which of the elements below have seven electrons in their outermost energy levels? A.) Cr, Mn, and Fe B.) Br, I, and Ci C.) O, S, and Se D.) He, Ne, and Ar
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10 votes
10 votes
Which of the elements below have seven electrons in their outermost energy levels? A.) Cr, Mn, and Fe B.) Br, I, and Ci C.) O, S, and Se D.) He, Ne, and Ar

User Willmac
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3.0k points

1 Answer

18 votes
18 votes

Answer:

B

Step-by-step explanation:

the Halogen families have 7 valence electrons

User Chris Gutierrez
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3.2k points
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