Question

Across the period, electron affinity ______.​

Answer 1

Answer:

Across the period, electron affinity increases.

Hope it is helpful...

Answer 2

Answer:

decrease

Explanation:

The less valence electrons an atom has, the least likely it will gain electrons. Electron affinity decreases down the groups and from right to left across the periods on the periodic table because the electrons are placed in a higher energy level far from the nucleus, thus a decrease from its pull.