Which halogen atom has the greatest electron affinity? (a) f (b) cl (c) br (d) i?

A, comment for an explanation

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.