Question

What is electronegativity how it is difficult is different from electron affinity?

Answer 1

Electron negativity is the ability of an atom to attract a shared pair of electrons in a covalent bond. It has no unit as it is a relative property.It occur in a covalent bond.

Whereas, electron affinity can be defined as the tendency of an atom to accept an electron.It has unit. It happens in an isolated atom.

Hope it helps...!!