Types of Mixtures Variable combination of 2 or more pure substances.

Heterogeneous Homogeneous

Heterogeneous mixtures

Heterogeneous mixture-2 or more phases (with same or different physical states)-each phase has different properties

Homogeneous mixtures

Homogenous mixtures are “well mixed”

Particles are small anduniform

-same composition in a sample

ex: sugar and water not easily recognized

Matter FlowchartMATTER

NO

Homogenous Mixture

Heterogeneous Mixture

Compounds Element

MIXTURE PURE SUBSTANCE

Can it be chemically decomposed?

NO

YES NOCan it be physically

separated?

YES Is the composition

uniform?

YES

Solutions – another name for a homogeneous mixture A solution is a mixture in which

a substance is dissolved in another, “best mixed” • EX: carbonated cola