Electron affinity is the

Options

A. The energy required to remove an electron from an isolated atom in its gaseous state
B. The energy released when an electron is added to an isolated atom in its gaseous state
C. The energy required to add an electron to an isolated atom in its gaseous state
D. The ability of an atom to attract an electron

Answer

B

Explanation

EA is the energy released when an electron is added to isolated gaseous atom.