Neither. It's an element.
Neither. Magnesium is an element.
Magnesium hydride is a compound.
Compound
Magnesium chloride (MgCl)2 is a chemical compound.
It is a compound.
Element.
Dolomite limestone is a mixture of calcium carbonate and magnesium carbonate.
it is an element as it contains same kind of atoms
Magnesium oxide (MgO), also known as magnesia, is the second most abundant compound in the earth's crust. So,it is a compound.
Magnesium oxide (MgO), also known as magnesia, is the second most abundant compound in the earth's crust. So,it is a compound.
No, it is a compound, not a mixture. Its formula is MgO, and it contains Magnesium and Oxygen (two fairly common elements).
No, it is a pure substance.