Formed without chemical reactions Similar characteristics from constituents Can be broken up into constituents by physical means Cannot be broken up into constituents by physical means Different characteristics from constituents Formed with chemical reactions Mixtures Compounds
Water is made up of hydrogen and oxygen. Why is it a compound?
Hydrogen and oxygen are gases, water is a liquid. Hydrogen and oxygen can burn, water cannot. Since water have different characteristics compared to its constituents, and can only be split up by passing electricity through it. Water is a compound.