Question

which two elements are combined in magnesium oxide​

Answer 1

Answer:

magnesium and oxygen

Explanation:

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Answer 2

Answer:

Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of MgO and consists of a lattice of Mg2+ ions and O2− ions held together by ionic bonding.