Review for Periodic Table Vocabulary Quiz

The smallest whole unit of matter.

• proton
• atom
• element
• None of the above.

The center of an atom.

• mass
• matter
• nucleus
• electron

The positively charged part of an atom; found in the nucleus.

• electron
• proton
• neutron
• All of the above.

The part of the atom that has no charge; found in the nucleus.

• neutron
• electron
• proton

The negatively charged part of an atom; found orbiting the nucleus.

• proton
• neutron
• electron

The number of protons which is equal to the number of electrons.

• matter
• atomic mass
• chemical name
• atomic number

The number of protons plus neutrons (P + N).

• atomic number
• atomic mass
• chemical name
• element

The letter(s) that represent the element.

• atomic symbol
• atomic number
• atomic mass
• atom

The name of the element.

• chemical symbol
• chemical number
• chemical mass
• chemical name

A substance made of just one type of atom which cannot be broken down or changed into another substance.

• matter
• element
• mass
• atom