Exploring the Periodic Table

Front

Atomic Number

Back

Number of protons in an atom

Front

Atomic Mass

Back

Average mass of an element's isotopes

Front

Alkali Metals

Back

Group 1 elements

Front

Alkaline Earth Metals

Back

Group 2 elements

Front

Halogens

Back

Group 17 elements

Front

Noble Gases

Back

Group 18 elements

Front

Transition Metals

Back

Groups 3-12 elements

Front

Lanthanides

Back

Elements 57-71

Front

Actinides

Back

Elements 89-103

Front

Period

Back

Horizontal row in the periodic table