Elements, Compounds, Mixtures

Front

What is a pure substance?

Back

A pure substance is an element or a compound.

Front

What is the chemical symbol for Potassium?

Back

K

Front

What is an element?

Back

A substance made of only one type of atom.

Front

How is brass classified?

Back

Brass is classified as a mixture.

Front

What does a mixture of two elements represent?

Back

It represents a combination of two different elements.

Front

What is a compound?

Back

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

Front

What distinguishes a mixture from a compound?

Back

A mixture is a combination of substances that are not chemically bonded, while a compound is formed by chemical bonding.

Front

Can a mixture be separated by physical means?

Back

Yes, mixtures can be separated by physical means such as filtration or distillation.

Front

What is an example of a compound?

Back

Water (H2O) is an example of a compound.

Front

What is an example of a mixture?

Back

Air is an example of a mixture.