Roxxmi3rallie9 Roxxmi3rallie9

28-10-2016
Chemistry

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What is the ground state electron configuration for Cr2+ , Cu2+ and Co3+?

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syed514 syed514

30-10-2016

Electron configuration of:
Cr = 1s2 2s2 2p6 3s2 3p6 3d5 4s1
Cr2+ = 1s2 2s2 2p6 3s2 3p6 3d4

Cu = 1s2 2s2 2p6 3s2 3p6 3d10 4s1
Cu2+ = 1s2 2s2 2p6 3s2 3p6 3d9

Co = 1s2 2s2 2p6 3s2 3p6 3d7 4s2
Co3+ = 1s2 2s2 2p6 3s2 3p6 3d6

s can max contain 2 electrons.
p can max contain 6 electrons.
d can max contain 10 electrons.
f can max contain 14 electrons.

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