Question

?fluorine has less negative electron gain enthalpy than chlorine why ​

Answer 1

Answer:

Explanation:Because fluorine is more electronegative than chlorine.

Answer 2

this is because in cl the added electron goes to the larger 3p sublevel and repulsion from other electron present in sublevel is less. on the f the added electron goes to the smaller 2s sublevel and suffer significant repulsion from the other electron present in the sublevel..