Question

why the electron gain enthalpy of Group 16 elements is lower han halogens​

Answer 1

Answer:

Ionisation enthalpy of elements of group 16 is lower than group 15 due to half filled p-orbitals in group 15 which are more stable. However, ionization enthalpy decreases down the group. ... From S to Po electron gain enthalpy becomes less negative to Po because of increase in atomic size.

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