Physical Property

* A property that describes the physical appearance and composition of a substance

* Such as boiling point, melting point, state and colour

Chemical Property

* A property that describes the reactivity of a substance

* Such as ability to burn (combustion), reaction with water, and reaction with acids

Boiling Point

Melting Point

* The temperature at which a substance at normal air pressure changes from a solid to a liquid

Pure Substance

* A substance in which all particles are identical

* Matter is divided into pure substances an mixtures

Mixture

* A combination of pure substances

* Matter is divided into pure substances an mixtures

Element

* A pure substance that cannot be broken down into other substances

* Pure Substances are subdivided into elements and compounds

Compound

* A chemical combination of two or more elements in a specific ratio 

* Pure substances are subdivided into elements and compounds

Chemical Reaction

* A process that occurs when substances react to form a new substance or substances

*The various chemical properties can be observed directly or indirectly during chemical reactions

Solubility

* The ability of a substance to dissolve in another substance

MATTER

|

Pure substances   & Mixtures 

|

Elements & Compounds

Mixture

|

Solutions & Mechanical Mixtures

(homogeneous)

Suspensions & Colloids

(heterogeneous)