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0 votes
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in Chemistry by (54.4k points)

The configuration 1s2 , 2s2 , 2p5 3s1 represents

a. Ground state of N3-

b. Ground state of F-

c. Excited state of O2-

d. Excited state of neon

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1 Answer

+1 vote
by (55.9k points)

Correct option is d. Excited state of neon

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