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Please explain the difference between Electron Gain Enthalpy and Electron affinity.

Shivanshu Madan , 15 Years ago
Grade 11
anser 2 Answers
suryakanth AskiitiansExpert-IITB

Dear shivanshu,

The standard enthalpy change accompanying the attachment of an electron to an isolated atom (or ion) of the element in the gas phase
The electron gain enthalpy value is negative.
Electron affinity is the negative of electron gain enthalpy and hence electron affinity is a postive value.

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Last Activity: 15 Years ago
raju radhakrishnan

If the energy is released when an electron is added to an isolated gaseous atom,then electron affinity is taken positive.other wise negetive.so is electron enthalpy always positive??

Last Activity: 12 Years ago
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