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Magnesium is 2+

Oxygen is 2-

Mg2O2 should really be written out MgO since the two's cancel out.

Mg is a metal so it loses 2 electrons to become a noble gas which makes it a positive 2

Oxygen is a non-metal which means it gains 2 electrons making is a negative 2

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Q: Why is Mg2O2 a correct formula for magnesium oxide?
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Related questions

What the correct formula for magnesium oxide?

This formula is MgO.


Correct formula for magnesium oxide?

MgO


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Did you want the formula? If so it is MgO.


Molecular formula for magnesium oxide?

Magnesium oxide is an ionic compound with the formula MgO.


What is the molecular formula of magnesium oxide?

Magnesium oxide - MgO.


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== == MgO That would be Magnesium rust. It makes Magnesium off color and cloudy.


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the final formula of magnesium oxide is MgO.


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The formula for magnesium oxide is MgO, showing that each formula unit of magnesium oxide contains one mole of magnesium ions. Therefore, if there is ample oxygen available, 4 moles of magnesium will form 4 moles of magnesium oxide.


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The correct formula for gallium oxide is Ga2O3.


Why is the substance of magnesium oxide classified as a compound?

Magnesium oxide is classified as a compound because it is composed of two different elements, magnesium and oxygen, chemically bonded. The formula unit for magnesium oxide is MgO.


What is the chemical name for magnesuim oxide?

The chemical formula for Magnesium Oxide is MgO.