Elements, Compounds, Mixtures

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition and properties throughout.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture that does not have a uniform composition and properties throughout.

Front

What is an element?

Back

An element is a substance that is composed of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is the smallest piece of an element that retains all of its properties?

Back

An atom.

Front

What is the chemical formula for salt?

Back

NaCl.

Front

Is air an element, compound, or mixture?

Back

Air is a mixture.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed from two or more elements chemically bonded, while a mixture is a combination of substances that are not chemically bonded.

Front

Can a homogeneous mixture be separated by physical means?

Back

No, a homogeneous mixture cannot be easily separated by physical means.