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Is magnesium oxide a pure substance?

Updated: 8/10/2023
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12y ago

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Yes. Magnesium oxide is a compound which is a type of pure substance.

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12y ago
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13y ago

No, magnesium oxide is a compound of magnesium and oxygen. It consists of Mg2+ ions and O2- ions.

Magnesium is a pure element made of nothing but Mg atoms.

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11y ago

Yes, it is an element, and elements are pure substances.

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Q: Is magnesium oxide a pure substance?
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Related questions

Is magnesium a pure substance?

Yes. Magnesium oxide is a compound which is a type of pure substance.


Is magnesium oxide a pure compound?

Magnesium oxide (MgO) is a pure compound.


Can the proportions of magnesium and oxygen in magnesium oxide be changed?

No. Magnesium oxide, MgO, is a compound, which means it is a pure substance, in which the magnesium and oxygen are present in definite proportions, in this case 1:1. This is in accordance to the law of definite proportions, which states that every pure substance always contains the same elements combined in the same proportions by weight. Also, magnesium ions have a charge of 2+ and oxide ions have a charge of 2-, so that one magnesium ion combined with one oxide ion balances to an overall charge of zero.


Is magnesium fluoride a mixture?

No, magnesium is an element and therefore a pure substance.


When magnesium burns this substance forms?

magnesium oxide


Which substance sodium oxide or magnesium oxide has higher melting point?

sodium oxide: 1132oC magnesium oxide: 2852oC


Why is magnesium oxide white?

magnesium is a purply substance. Although when this substance is burned with oxygen it becomes Magnesium Oxide. This chemical then turns into a black liquidy colour. The word equation for this experiment is: magnesium + Oxygen = Magnesium Oxide


Is calcium oxide is a pure substance?

Yes. Calcium oxide is a compound which is a type of pure substance.


What substance is formed when magnesium burns in air?

Magnesium oxide


How can you achieve highest yield and best purity when burning magnesium to make magnesium oxide?

Use pure magnesium and pure oxygen.


What is the new substance when magnesium is burned?

Assuming Oxygen is the oxidizing element: 2Mg + O2 -> 2MgO + energy So your answer is MgO or Magnesium oxide or Magnesia


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.