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Question

(B) The energy required to remove an electron is known as the ionization energy. Among the given configurations,$1s^2 2s^2 2p^3$ represents a nitrogen

Vedclass · Accepted Answer

$1s^2 2s^2 2p^3$

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(B) The energy required to remove an electron is known as the ionization energy. Among the given configurations,$1s^2 2s^2 2p^3$ represents a nitrogen atom $(N)$. This configuration has a half-filled $p$-orbital $(p^3)$,which provides extra stability to the atom. Due to this high stability,more energy is required to remove an electron from this configuration compared to the others. Therefore,the correct option is $B$.

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

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