The low electron affinity value of nitrogen is due to :
small size
high nuclear charge
half-filled 2p subshell
high metallic character
A
high metallic character
B
small size
C
high nuclear charge
D
half-filled 2p subshell
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Solution
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Nitrogen atom, in its ground state, has a stable half-filled configuration of 1s22s22p3. 2p subshell is half-filled in the atom. Hence, its electron affinity is low.
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