1.

Electronic configuration of most electronegative elements is

Answer»

`1s^2 2s^2 2p^6 3s^1`
`1s^2 2s^2 2p^6 3s^2 3p^5`
`1s^2 2s^2 2p^5 3s^1`
`1s^2 2s^2 2p^6 3s^2 3p^6`

SOLUTION :`F(1s^2 2s^2 2p^5)` is the most ELECTRONEGATIVE ELEMENT.


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