Pure Substances and Mixtures

Front

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

Back

Atoms

Front

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

Back

compound

Front

True or False: elements AND compounds are pure substances.

Back

True

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

Front

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

Back

homogeneous

Front

Air is: An element, A compound, A mixture, None of these

Back

A mixture

Front

A pure substance ________ be broken down into simpler matter using physical methods.

Back

can not

Front

This is a water molecule. It is a ________.

Back

Compound

Front

A combination of two or more substances that are not chemically combined is known as a

Back

mixture