science ch 3. (matter) quiz b

Front

What are atoms?

Back

Atoms are small particles which all matter is made up of.

Front

What is an element?

Back

An element is matter that contains only one kind of atom, such as gold, silver, and oxygen.

Front

What is a compound?

Back

A compound is formed by combining atoms of different elements, resulting in a new substance.

Front

How do compounds form?

Back

Compounds form through a chemical change, which occurs when the atoms in an element or compound combine to form a new substance.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not result in a new substance, while a chemical change forms a new substance. For example, melting butter is a physical change, but mixing chlorine and sodium to form table salt is a chemical change.

Front

What are molecules?

Back

Molecules are particles made up of similar atoms.