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Chromium and Copper

Posted: Sat Jul 06, 2019 8:40 pm
by David Zhang 1B
What are the exceptions for chromium and copper that we need to know?

Re: Chromium and Copper  [ENDORSED]

Posted: Sat Jul 06, 2019 8:46 pm
by somyapanchal1D
Chromium's (Cr) electron configuration is: [Ar] 3d^5 4s^1

Copper's (Cu) electron configuration is: [Ar] 3d^10 4s^1