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August 29, 2014

Homework Help: CHEM

Posted by Kimora on Wednesday, December 10, 2008 at 4:51pm.

Confirm that the experimentally observed electronic configuration of K, 1s2 2s2 2p6 3s2 3p6 4s1 is energetically more stable than the configuration 1s2 2s2 2p6 3s2 3p6 3d1.

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i know that it is energetically favorable for the electron to occupy the 4s state rather than the 3d orbital.but why?

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