Why is the electron gain enthalpy of oxygen is less than that of sulphur?

(i) Why is theh electron-gain enthalpy of oxygen is less than that of sulphur? (ii) Arrange the following metal oxides in terms of ascending order of basicity: ZnO, MgO, CaO, CuO.

The negative electron gain enthalpy of oxgyen in less than that of sulphur . Explain

Electron gain enthalpy of N is less than that of O. explain.

This question has statement I and statement II of the four choices given after the statements choose the one that best describes the two statements Statement -I: electron gain enthalpy of oxygen is less negative than that of flourine but more -ve than that of nitrogen Statement-II:ionization enthalpy is as follows N>O>F

Why is the ionisation enthalpy of oxygen is less than those of nitrogen ad fluorine?

Why the second electron gain enthalpy of oxygen is +vc value?

Negative electron gain enthalpy of F_(2) is less than that of CI_(2) . Why ?

Why the bond dissociation enthalpy of F_2 is less than that of Cl_2 .

Ionisationn enthalpy of Be is greater than that of B-why?