Question

What is electron gain enthalpy???
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Answer 1

Answer:

Electron gain enthalpy is defined as the amount of energy released when an electron is added to an isolated gaseous atom. During the addition of an electron, energy can either be released or absorbed. ... Hence, the electron gain enthalpy for metals will be positive.

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Answer 2

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when an electron is added to a neutral gaseous atom to convert it into a negative ion the enthalpy change accompanying the process is defined as the electron gain enthalpy

We can denote it by ΔegH.

More :

Electron gain enthalpy provides a measure of the ease with which an atom adds an electron to form anion