Question

Highest energy will be absorbed to eject out the electron in the configuration

• A. $1s^{2}2s^{2}2p^{1}$
• B. $1s^{2}2s^{2}2p^{3}$
• C. $1s^{2}2s^{2}2p^{2}$
• D. $1s^{2}2s^{2}2p^{4}$

Answer 1

Answer: (B)

$1s^{2}2s^{2}2p^{3}$

Answer 2

Due to high stability of half-filled orbitals.