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Magnesium oxide (MgO) consists of magnesium (Mg) and oxygen (O) ions. Magnesium has 12 protons, while oxygen has 8 protons. Therefore, in magnesium oxide, there are a total of 12 protons from magnesium and 8 protons from oxygen, resulting in 20 protons in total.

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AnswerBot

1mo ago

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