Chemistry › Compound
Mendeleev · Compound
Magnesium oxide · MgO
Magnesium oxide: formula MgO, atom count, element breakdown and calculated molar mass.
CompoundMgO
MgO
Molar mass40.304 g/mol
Atoms2
Elements2
The formula MgO contains 2 atoms in total. Numbers after element symbols show how many atoms of each element are present.
Molar mass is the sum of the contributions shown above. The percentages show how much each element contributes to the total mass.