Chemistry, 24.09.2021 02:10 ana9340

If the electron configuration of magnesium is (2.8, 2], what is the electron configuration of the element before it on the periodic table? (1 point)
[2.8,5)
O [2.8.1)
[2.8, 3]
[2.8)

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If the electron configuration of magnesium is (2.8, 2], what is the electron configuration of the el...