Elements, Compounds and Mixtures

• Elements - A pure substance made up of only 1 type of atom
• Compounds - contain 2 or more elements that are chemically bonded together
• Compounds can only be separated into elements by chemical reactions
• Mixture - Consists of 2 or more elements not chemically bonded together.
• Mixtures can only be separated by physical processes
• Some ways to separate mixtures: filtration, crystallization, distillation and chromatography