Question

Define' Electron gain Enthalpy?​

Answer 1

Answer:

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Explanation:

Electron gain enthalpy is defined as the amount of energy released when an electron is added to an isolated gaseous atom.

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Answer 2

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Answer...

→When an electron is added to an isolated gaseous atom the energy change is known as Electron gain enthalpy denoted by $E_g$.

→It is measured in kJ/mol.

→It can be either positive or negative . Positive when energy is gained while negative when energy is released .

→It becomes more negative while moving right across a period.

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