Question

electron gain enthalpy​

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. Sign Convention For Electron Gain Enthalpy: Negative: When energy is released while accepting an electron

Step-by-step explanation:

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Answer 2

Answer:

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Definition of Electron gain enthalpy_??

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Electron gain enthalpy!

it is the energy released when gaseous atom forms a negetive ion thus, the value of electron gain enthalpy gives the tendency of an atom to form anion greater the negetive value of electron gain enthalpy, more is the tendency of an atom to form anion.

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Example: halogens have largest negetive values of electron gain enthalpies within their respective period, hence, they form ionic compounds with metals very easily.