Classifying Matter: Pure Substances and Mixtures

Anything that has mass and takes up space is ________.

• compound

• mixture

• mass

• matter

A _____ has constant composition and cannot be broken down by physical means.

• pure substance

• homogeneous mixture

• volume

• mixture

The simplest particle into which an element can be divided and still be that element is a(n) _____.

• molecule

• atom

• base unit

• compound

A(n) _____ has constant composition and cannot be broken down by physical or chemical means.

• compound

• element

• homogeneous mixture

• heterogeneous mixture

Two or more elements chemically combined make a ____.

• heterogeneous mixture

• homogeneous mixture

• physical property

• compound

A particle consisting of two or more atoms bonded together is a(n) _______.

• atom

• molecule

• compound

• element

Two or more substances physically combined make a ____.

• mixture

• compound

• molecule

• chemical change

A combination of substances in which the particles are not uniformly distributed, but remain distinct is a ________.

• compound

• heterogeneous mixture

• homogeneous mixture

• solution

A combination of substances in which the properties and appearance are the same throughout and every sample is like every other sample is a ____________.

• element

• heterogeneous mixture

• homogeneous mixture

• suspension

Distillation, filtration, and chromatography are examples of _______ methods for separating ________.

• physical, compounds

• physical, mixtures

• chemical, compounds

• chemical, mixtures