Atomic Charge Identification

Front

Atomic Number

Back

Number of protons

Front

Valence Electrons

Back

Electrons in outer shell

Front

Group Number

Back

Valence electrons count

Front

Period Number

Back

Number of electron shells

Front

Noble Gases

Back

Stable, no charge

Front

Metals

Back

Lose electrons, positive charge

Front

Nonmetals

Back

Gain electrons, negative charge

Front

Transition Metals

Back

Variable charges

Front

Alkali Metals

Back

+1 charge

Front

Halogens

Back

-1 charge