Elements with their electronic configurations are given below:
I : \(1s^{2}2s^{2}\)
II : \(1s^{2}2s^{2}2p^{6}\)
III : \(1s^{2}2s^{2}2p^{6}3s^{2}\)
IV : \(1s^{2}2s^{2}2p^{3}\)
V : \(1s^{2}2s^{2}2p^{5}\)

The element with lowest electron gain enthalpy is:

Question

Elements with their electronic configurations are given below:

I : \(1s^{2}2s^{2}\)

II : \(1s^{2}2s^{2}2p^{6}\)

III : \(1s^{2}2s^{2}2p^{6}3s^{2}\)

IV : \(1s^{2}2s^{2}2p^{3}\)

V : \(1s^{2}2s^{2}2p^{5}\)

The element with lowest electron gain enthalpy is:

Accepted Answer

Correct answer: D

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