How does electronegativity differ from electron gain enthalpy?
Electron gain enthalpy is the enthalpy change that takes place when an electron is added to a neutral gaseous atom to form an anion. It can be negative or positive depending upon whether the electron is added or removed. An element has a constant value of the electron gain enthalpy that can be measured experimentally
Electron gain enthalpy is the tendency of an atom to attract outside electron. It is the property of an isolated atom.
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