Question

What 's electron afinity

Answer 1

Electron affinity is the energy change that occurs when an electron is added to an atom. The greater the attraction of the atom to the electron, the more energy is released. If an atom has high electron affinity, the electron will be harder to gain. Electron affinities of the N (Nitrogen) group are less negative compared to those on its left or right. This is because these elements have half-filled p subshells, so the added electron would increase electron-electron repulsions.

Electron affinity trends are as follows:

Increases going right and going up on the periodic table.

The electron affinity increases more going right than going up.

Hope this will help you...... ✌

Answer 2

Electron affinity is defined as the energy released when an electron is added to an isolated gaseous atom.