The valence electron in alkali metal is a (a) f -electron (b) p -electron (c) s -electron (d) d -electron

Answer: (c). Alkali metals (group 1) have configuration [noble gas] ns¹. The single valence electron is in an s orbital. So the answer is (c) s -electron.

The valence electron in alkali metal is a | NEET 1990 (AIPMT)

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Quantum Numbers, X-rays & Other Questions

The valence electron in alkali metal is a

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Answer: (c)

Alkali metals (group 1) have configuration [noble gas] $ns^1$ .
The single valence electron is in an $s$ orbital.
So the answer is (c) $s$ -electron.

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