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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

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

asked
User Imesh Chandrasiri
by
8.3k points

1 Answer

7 votes

Answer: B

2s2 = 2 valence e-

2p5 = 5 valence e-

This will be 7 valence electrons

answered
User LMH
by
7.9k points
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