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solution

A homogeneous mixture.

homogeneous

A mixture that does have a uniform composition throughout and is always in the same state.

heterogeneous

A mixture that does not have a uniform composition and the individual components remain distinct

polar

A molecule with an uneven distribution of charge due to unequal sharing of electrons during bonding.

nonpolar

A molecule with no internal charge variation due to bonding

saturated solution

A solution which has dissolved as much solute as it can at a particular temperature.

unsaturated solution

A solution which is still able to dissolve solute.

insoluble

A substance that will not dissolve in a solvent.

solubility

the quantity of a solute that will dissolve in a given quantity of solvent to form a saturated solution at a given temperature