Pure Substances and Mixtures

Front

What is the smallest unit of an element that maintains the properties of that element?

Back

Atoms

Front

What are substances made up of two or more different elements or compounds that are physically combined?

Back

Mixtures

Front

What is a substance made up of only one type of atom?

Back

Element

Front

What type of mixture has a uniform composition throughout?

Back

Homogeneous mixture

Front

What type of mixture does not have a uniform composition?

Back

Heterogeneous mixture

Front

What is a substance that cannot be separated into simpler substances by chemical means?

Back

Pure substance

Front

What is a combination of two or more substances where each retains its own properties?

Back

Mixture

Front

What is an example of a homogeneous mixture?

Back

Saltwater

Front

What is an example of a heterogeneous mixture?

Back

Salad

Front

What is air classified as?

Back

A mixture