A) \[{{O}^{-}}\]
B) \[{{F}^{-}}\]
C) Na
D) O
Correct Answer: D
Solution :
In general, electron gain enthalpy becomes more and more negative from left to right in any period. This is due to the decrease in size and increase in nuclear charge as the atomic number increases in a period. Hence, the correct option is (d).You need to login to perform this action.
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