Define a compound and a mixture. Explain how they are different.

Answer: Compounds are formed when two or more elements are chemically combined together in a chemical reaction.

Compounds cannot be separated by physical means.

The mass of each atom is conserved in compounds.

Also compounds are expressed in a chemical formula.

Mixtures are the combination of two or more pure substances.

Mixtures can be separated by physical means

The individual mass of each particles are not conserved.