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Describe the correct arrangement of electrons in an atom that contains twelve electrons.?
Wiki User
∙ 13y ago
The atomic number is equivalent to an atom's total number of electrons. The element with 12 electrons in magnesium. It has two valence electrons and in group 2.
Wiki User
∙ 9y ago
Wiki User
∙ 13y agoI think it's 2.8.2 !
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