Question

Give 3 differences between electron gain enthalpy & electronegativity

Answer 1

Answer:

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Explanation:

Definition

Electron Gain Enthalpy: Electron gain enthalpy is the change in enthalpy when a neutral atom or a molecule gains an electron from outside.

Electronegativity: Electronegativity is the ability of an atom to attract electrons from outside.

Unit of Measurement

Electron Gain Enthalpy: Electron gain enthalpy is measured by kJ/mol.

Electronegativity: Electronegativity is unit-less and is measured using Pauling scale.

Measurement

Electron Gain Enthalpy: Electron gain enthalpy measures the amount of energy.

Electronegativity: Electronegativity measures the ability to gain electrons.

Value

Electron Gain Enthalpy: Electron gain enthalpy can be either positive or negative depending on the electron configuration of the atom that is going to gain an electron.

Electronegativity: Electronegativity is always a positive value.

Conclusion

Electron gain enthalpy measures the amount of energy released when an atom gains an electron from outside. Electronegativity measures the ability of an atom to gain an electron from outside. The main difference between electron gain enthalpy and electronegativity is that electron gain enthalpy is measured by kJ/mol unit whereas electronegativity is unit-less and is measured by Pauling scale.