Benchmark 2 - Vocabulary

Front

Evaporation

Back

A method of separation used to obtain a soluble solid by heating and removing the liquid solvent, such as collecting salt from sea water.

Front

Filtration

Back

A method of separation used to capture an insoluble solid residue.

Front

Distillation

Back

A method of separation where a mixture is heated until one of the components reaches its boiling point and vaporizes, then the vapors condense back into liquid in a separate container.

Front

Mixture

Back

A form of matter whose particles have varying composition and can be simplified physically.

Front

Pure Substance

Back

A form of matter that has constant composition.

Front

Element

Back

A pure substance that cannot be simplified.

Front

Compound

Back

A pure substance that is composed of two or more elements chemically combined in definite proportions and can be simplified chemically.

Front

Homogeneous

Back

Having uniform appearance.

Front

Diatomic

Back

A particle composed of two atoms.

Front

Monatomic

Back

A particle composed of one atom.