Question:
Amongst the following elements whose electronic configurations are given
below, the one having the highest ionisation enthalpy is
(i) [Ne]3s2 3p1
(ii) [Ne]3s2 3p3
(iii) [Ne]3s2 3p2
(iv) [Ar]3d10 4s2 4p3
Solution:
Option (ii) is the answer.
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