Q.

The configuration 1s2 2s2 2p5 3s1 shows

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a

Excited state of fluorine

b

Exited state of neon atom

c

Excited state of argon.

d

Ground state of fluorine

answer is C.

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Detailed Solution

Exited state of neon atom :1s2 2s2 2p5 3s1

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