9th Grade Physical Science Exam Review

Front

___________ are the smallest unit of an element that maintains the properties of that element.

Back

Atoms

Front

An _______________ is made up of one or more of the same kind of atom chemically combined.

Back

element

Front

A ______________ is made up of different kinds of atoms chemically combined.

Back

compound

Front

A _____________ contains a variety of elements and compounds that are not chemically combined with each other.

Back

mixture

Front

A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.

Back

pure substance

Front

A ______________ is one that does not have a uniform composition.

Back

heterogeneous mixture

Front

A _________________ mixture is one where the substances are evenly spread throughout.

Back

homogeneous

Front

In a ______________, one substance is dissolved in another substance.

Back

solution

Front

Coffee, mouthwash, and vinegar are examples of __________________ mixtures.

Back

homogeneous

Front

Coffee, mouthwash, and vinegar are examples of __________________ mixtures.

Back

homogeneous