Modeling Matter Unit 2 Vocabulary Flashcard

Front

What is a substance?

Back

Matter that contains only one type of atom or molecule.

Front

What is an emulsifier?

Back

Something that helps two things mix together and stay mixed.

Front

What is a property?

Back

The characteristics of a substance that describe and identify it.

Front

What is chromatography?

Back

A technique to separate mixtures into parts.

Front

What is a molecule?

Back

Matter that is made of two or more atoms.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is a mixture?

Back

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

Front

What is a solution?

Back

A homogeneous mixture where one substance is dissolved in another.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.