Matter 3

Front

The smallest unit of an element

Back

Atom

Front

Subatomic particle in the nucleus that has no charge.

Back

Neutron

Front

Subatomic particle that has a positive charge.

Back

Proton

Front

Subatomic particle that has a negative charge and is found in a cloud.

Back

Electron

Front

A pure substance that is made up of only one type of atom.

Back

Element

Front

Number of protons in the nucleus of the atom.

Back

Atomic number

Front

An abbreviation that represents an element.

Back

Chemical symbol

Front

A characteristic of a substance that can be observed and measured without changing the identity.

Back

Physical property

Front

Metals all share certain physical properties. Which property do most metals share?

Back

Malleable

Front

Which elements are most abundant in earth's atmosphere? Options: water and air, nitrogen and oxygen, silicon and aluminum, carbon dioxide and oxygen

Back

nitrogen and oxygen