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6) What is the electron configuration of an atom in its ground state with a total of seven valence electrons? A. 1s2 2s2 2p6 B. 1s2 2s2 2p5 C. 1s2 2s2 2p8 D. 1s2 2s2 2p7
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6) What is the electron configuration of an atom in its ground state with a

total of seven valence electrons?
A. 1s2 2s2 2p6
B. 1s2 2s2 2p5
C. 1s2 2s2 2p8
D. 1s2 2s2 2p7

User Imesh Chandrasiri
by
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1 Answer

7 votes

Answer: B

2s2 = 2 valence e-

2p5 = 5 valence e-

This will be 7 valence electrons

User LMH
by
4.1k points
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