Chemistry Vocab for Test

Pure Substance

a single kind of matter that cannot be separated into other kinds of matter by any physical means

Mixture

when 2 or more substances combine yet retain their individual properties and can be homo or hetero

Homogeneous

the particles of the substances are mixed together (no clumping)

Heterogeneous

large clumps of the substances are mixed together

Ex: trail mix or salad

Solutions

composed of particles the size of an ion or small molecule

Colloids

composed of particles with larger particles Ex: fog, milk, butter

Suspensions

mixtures where the particles will settle upon sending (muddy water)

Concentration

the amount of solute compared to the solvent

Solute

the dissolved substance

Solvent

the dissolving agent

Solubility

the maximum amount of a solute that can dissolve in a solvent

Alloy

a solution of metal and another solid