UNDERSTANDING MATTER

Front

What is a compound?

Back

A compound is a substance made up of different kinds of atoms chemically combined.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is one that does not have a uniform composition.

Front

How do particles move in diffusion?

Back

Particles move from a region of high concentration to a region of low concentration.

Front

What is air classified as?

Back

Air is classified as a mixture.

Front

What state of matter is characterized by having a definite volume but no definite shape?

Back

Liquid.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is one that has a uniform composition throughout.

Front

What is the smallest unit of an element?

Back

An atom.

Front

What is the difference between a substance and a mixture?

Back

A substance has a uniform and definite composition, while a mixture contains two or more substances that retain their individual properties.

Front

What is an example of a compound?

Back

Water (H2O) is an example of a compound.

Front

What is an example of a heterogeneous mixture?

Back

Salad is an example of a heterogeneous mixture.