Questions/P Block elements G15-18/Group 16 elements ge...
Group 16 ElementsP Block elements G15-18

Group 16 elements generally show lower first ionization enthalpy than Group 15 elements. Why?

Expert Answer

Due to the extra stable half-filled p-orbital configuration (ns2np3ns^2np^3) of Group 15 elements, more energy is required to remove electrons compared to Group 16 (ns2np4ns^2np^4).

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