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Which of the following has the least ele...

Which of the following has the least electron affinity in `kJ mol^(-1)`?

A

Oxygen

B

Carbon

C

Nitrogen

D

Boron

Text Solution

Verified by Experts

The correct Answer is:
C
Nitrogen has the least electron affinity because its outer most orbital is half filled.
`N = 1s^2, 2s^2 2p^3` (Half filled orbital)
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