Magnesium crystallises in the HCP structure with lattice constant a=3.21*10^10 and L/a ratio is 1.6:4,
Determine number of core electron and the number of valence electrons in a Magnesium atom given that it has 12 electrons.
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Expert's answer
2019-09-27T10:02:38-0400
Magnesium atoms has 12 electrons in total.
Electron's configuration of Mg is:
"1s^22s^22p^63s^2"
As we can see, it has two valence electrons on the outer, 3rd shell.
Also, it has 10 core electrons on 1st and 2nd shell
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