Periodic Table Vocabulary

Each row in the table of elements.

• period

• row

• list

• table

Each column on the Periodic Table.

• group

• list

• table

• period

The pattern of repeating properties.

• Periodic Law

• Criminal Law

• Scientific Law

• Chemical Law

One-twelfth the mass of carbon-12 atom.

• Atomic Mass

• Atomic Number

• Atomic Properties

• Atomic Weight

Elements that are good conductors of electric current and heat.

• Metals

• Nonmetals

• Metalloids

• Hallogens

Elements that forma bridge between the elements on the left and right sides of the table.

• Transition Metals

• Metals

• Nonmetals

• Halogens

Elements that poor conductors of heat and electric current.

• Nonmetals

• Metals

• Metalloids

• Halogens

Elements with properties that fall between those of metals and nonmetals.

• metalloids

• metals

• nonmetals

• halogens

An electron that is in its highest occupied energy level of an atom.

• valence electron

• outer shell electron

• orbital electron

• strongest electron

Metals that have a single valence electron and are extremely reactive.

• alkali metals

• alkali earth metals

• rare earth metals

• metalloids