Classification of Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the two main categories of matter?

Back

The two main categories of matter are pure substances and mixtures.

Front

Define a pure substance.

Back

A pure substance is a material that has a constant composition and consistent properties throughout.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition throughout, while a heterogeneous mixture has a non-uniform composition.

Front

Give an example of a homogeneous mixture.

Back

Saltwater is an example of a homogeneous mixture.

Front

Give an example of a heterogeneous mixture.

Back

Lucky Charms cereal is an example of a heterogeneous mixture.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

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

Front

What is the chemical formula for table salt?

Back

The chemical formula for table salt is NaCl.