Out of fluorine and chlorine, which has greater electron gain enthalpy?

Out of O and S which has higher negative electron gain enthalpy and why ?

The second electron gain enthalpy of oxygen is

Why Noble gases have zero electron gain enthalpy?

Which of the following families have largest negative electron gain enthalpy values?

Which of the following has most negative electron gain enthalpy?

Which of the following will have most negative electron gain enthalpy? P,S,Cl,F

Arrange the following in increasing order their negative electron gain enthalpy: F,CI ,Br and I.

Out of Be,B, C, N, O, F and Ne the lowest negative electron gain enthalpy is of:

Which of the following will have the most negative electron gain enthalpy and which has the least negative? P, S, Cl, F. Explain your answer.

Which of the following electronic configurations corresponds to elements with largest negative electron gain enthalpy?