Question

Which element has most electron gain enthalpy?

Answer 1

Answer:

chlorine

But, chlorine is large in size and has comparatively low value of electronegativity than fluorine. Thus, it accepts an electron easily and has the highest electron gain enthalpy value.

Answer 2

Answer:

Flourine

Explanation:

But chlorine is large in size and comparatively low elctronegativity value than flourine.