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Oxidation is defined as the addition of oxygen atoms and removal of hydrogen atoms from a compound.
Electron Gain Enthalpy is the amount of Energy released when an isolated gaseous atom accepts an electron to become a monovalent gaseous anion.
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Oxidation may be defined as :The adition of oxygen to a substance or removal of hydrogen from a subtance n a chemical reaction.
Electron gain enthalpy: The amount of energy  released when an islaed gseouse atom acceptsan electron to ecome a mvalent gasouse anion.