Pure Substances and Mixtures

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 elements that are combined chemically.

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

True or False: elements AND compounds are pure substances.

Back

True

Front

Elements are broadly classified as metals, nonmetals, and _________________.

Back

metalloids

Front

Each element has a place in an arrangement called the ____________________________________.

Back

Periodic Table of the Elements

Front

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

Back

heterogeneous

Front

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

Back

homogeneous