Homework 2A c)

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Michael Du 1E
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Joined: Sun Sep 22, 2019 12:16 am

Homework 2A c)

Postby Michael Du 1E » Thu Oct 24, 2019 7:29 pm

In the homework problem, for 2A c, why are the 5 electrons in the 3d orbital included with the 2 valence electrons of 4s? (having a total of 7 valence electrons as a result). Thank you

ishaa Diwakar 4E
Posts: 56
Joined: Wed Sep 11, 2019 12:17 am

Re: Homework 2A c)

Postby ishaa Diwakar 4E » Thu Oct 24, 2019 8:21 pm

This is because the 3d and 4s blocks are at very similar levels in terms of electron shells. Metals in the d block will very often form oxidation states with charges greater than 2+, although they will lose electrons from the 4s orbital first.

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