Question

The energy released when an electron is added to a neutral gaseous atom is called :

• A. electron gain enthalpy
• B. ionization energy
• C. enthalpy of neutralization
• D. none of the above

Answer 1

The correct option is A electron gain enthalpy

The energy released when an electron is added to a neutral gaseous atom is called electron gain enthalpy of the atom. During the addition of an electron, energy can either be released or absorbed.

Hence, option A is correct.