Unit 1 Vocabulary Flashcard

Front

What is the basic unit of matter that cannot be broken down further by chemical means?

Back

Atom

Front

What is an element?

Back

A substance made of only one type of atom

Front

What is a compound?

Back

A substance composed of two or more elements whose atoms are bonded in a specific ratio.

Front

Heterogeneous mixture

Back

A mixture that does not have a uniform composition. Ex. salad

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition; also known as a solution.

Front

Matter

Back

Anything that has mass and takes up space

Front

What is a molecule?

Back

A particle composed of two or more atoms joined together.

Front

What is a pure substance?

Back

Matter made of only one type of particle; an element or a compound.

Front

Adhesion

Back

The attraction between molecules of different substances that make them stick together.

Front

Capillary action

Back

The movement of a liquid through a narrow space, often against gravity, due to cohesion, adhesion, and surface tension.