MgO2
1 compound has this formula on CompoundList.
- Molar mass
- 56.30g/mol
- Monoisotopic mass
- 55.9749Da
- Atoms
- 3
- Elements
- 2
The formula MgO2 describes a molecule made of 1 magnesium atom and 2 oxygen atoms. It is written in Hill notation: with no carbon present, every element is listed in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- Mg Magnesium × 143.17%24.305 × 1 = 24.305 g/mol
- O Oxygen × 256.83%15.999 × 2 = 31.998 g/mol
Compounds with the formula MgO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 1 of 1 compounds
Frequently asked questions
What is the molar mass of MgO2?
The molar mass of MgO2 is 56.30 g/mol, calculated from standard atomic weights for 1 magnesium atom and 2 oxygen atoms. The monoisotopic mass is 55.9749 Da.
How many compounds have the formula MgO2?
CompoundList lists 1 compound with the molecular formula MgO2, including Magnesium peroxide (Mg(O2)). Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.