key term - Noble Gases

Definition

Noble gases are elements found in Group 18 (VIII A) on the periodic table. They are characterized by full electron shells, making them very stable and unreactive under normal conditions.

Related terms

Inert Gas: Another name for noble gases due to their low reactivity under normal conditions.

Periodic Table Groups/Families: These are vertical columns on the periodic table where elements share similar properties including reactivity and preferred types of bonds.

Octet Rule:

The principle stating that atoms tend to combine so that each has eight electrons (an octet) in its outermost shell, providing stability.