Definitions: Characteristics/Formula The particulate nature of matter Criteria of purity Examples: Additional info Characteristics/Formula Definitions: Atomic structure Ions and ionic bonds Examples: Additional info Definitions: Characteristics/Formula Molecules and covalent bonds Macromolecules Examples: Additional info Definitions: Characteristics/Formula Electricity and chemistry Examples: Additional info Definitions: Examples: Characteristics/Formula Energy changes in chemical reactions Rate (speed) of reaction Additional info Definitions: Characteristics/Formula Redox Acids, bases and salts Examples: Additional info