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26-10-2021
Chemistry

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What element has the electron configuration 1s22s22p63523p64523d4?
A.Chromium (Cr)
B.Magnesium (Mg)
C.Manganese (Mn)
D.Iron (Fe)

Respuesta :

schanara07 schanara07

26-10-2021

Explanation:

It's none of these.

Cr- 1s2 2s2 2p6 3s2 3p6 4s1 3d5

Mg- 1s2 2s2 2p6 3s2

Mn - 1s2 2s2 2p6 3s2 3p6 4s2 3d5

Fe- 1s2 2s2 2p6 3s2 3p6 4s2 3d6

I think there's a mistake in the question.

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