Matter Vocabulary

The basic building blocks of all matter

• Atoms

• Protons

• Neutrons

• Electrons

Made up of atoms. All of the known ones are listed on the periodic table of elements.

• Protons

• Element

• Liquid

• isotope

Solid, Liquid, and Gas

• The three atoms

• The three elements

• The three phases of matter

• The three ions

The number of protons or electrons in an atom

• ion

• isotope

• nucleus

• atomic number

positively charged particle

• ion

• Proton

• Neutron

• Electron

Negatively charged particle

• Electron

• Neutron

• proton

• isotope

Neutral particle (No charge)

• proton

• nucleus

• electron

• Neutron

an atom with a fewer or greater number of neutrons than usual

• ion

• Isotope

• nucleus

• atomic number

an atom with a fewer or greater number of electrons than usual

• proton

• group

• ion

• isotope

A horizontal row on the periodic table of elements

• column

• group

• period

• family