A) \[{{O}^{-}}\] ion will tend to resist the addition of another electron
B) Oxygen has high electron affinity
C) Oxygen is more electronegative
D) \[{{O}^{-}}\]ion has comparatively larger size than oxygen atom
Correct Answer: A
Solution :
The addition of second electron in an atom or ion is always endothermic.You need to login to perform this action.
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