1.

When an isolated gaseous cation \[{{X}^{+}}(g)\] is converted into \[{{X}^{-}}(g)\] anion, the amount of energy released is 16.8 eV. Calculate the electro negativity value of the atom X on Pauling's scale.

A. 1
B. 2
C. 4
D. 3
Answer» E.


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