1.8: Understand How to Classify a Substance as an Element, Compound or Mixture

CLASSIFICATIONS:

s

CLASS	DEFINITION
ELEMENT	Substance made up of Atoms that all contain the same number of Protons (one type of Atom) and cannot be split into anything simpler Example: Hydrogen, Oxygen, Carbon
COMPOUND	Substance made up of two or more Elements chemically combined together Example: Copper (II) Sulphate, Calcium Carbonate
MIXTURE	Combination of two or more substances (Elements and / or Compounds) that are not chemically joined together Example: Sand and Water, Oil and Water

Example:

s