Elements of Group 16 generally show lower value of first ionisation enthalpy compared to the corresponding periods of group 15. Why?

Elements of Group 16 generally show lower value of first ionisation en

1.	Elements of Group 16 generally show lower value of first ionisation enthalpy compared to the corresponding periods of group 15. Why?
Answer» Due to extra stable of half filled p orbital configuration present in 15 group element.