World Languages, asked by plmmnhgds, 6 months ago

What is electron affinity??

Answers

Answered by DynamicPlayer

Explanation: In general, elements to the right of the Periodic Table have greater electron affinity than those to their left. ... Two groups of elements (2A and 8A) have no measurable electron affinity; they do not form stable negative ions at all.

Answered by prabhat311

Answer:

The electron affinity (Eea) of an atom or molecule is defined as the amount of energy released when an electron is attached to a neutral atom or molecule in the gaseous state to form a negative ion.

X(g) + e− → X−(g) + energy

Note that this is not the same as the enthalpy change of electron capture ionization, which is defined as negative when energy is released. In other words, this enthalpy change and the electron affinity differ by a negative sign.

In solid state physics, the electron affinity for a surface is defined somewhat differently

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