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why is energy released in electron affinity?

Asked by Chinmay 24th February 2015, 6:05 PM
Answered by Expert
Answer:

Hi,

Energy is required to excite an electron from n = 1 to n = infinity. Because of electrostatic forces between the positively charged nucleus and negatively charged electron.

Conversely, an electron that is added from infinity to its ground state goes from a high energy state to a low energy state. That energy is released.

Answered by Expert 24th February 2015, 6:13 PM
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