Question

Water, H2O, is made up of different elements, hydrogen and oxygen. Is this type of combination a mixture or a pure substance?

Answer 1

yes, this type of combination a mixture or a pure substance.

Answer 2

a pure substance that is made of only one type of atom. (hydrogen, oxygen, gold, etc.) ... atoms of more than one type of element that are chemically bonded together. . Water (H2O), carbon dioxide (CO2) and methane (CH4) are compounds because each is made from more than one element.