1.30 recall the charges of common ions in this specification

COMMON IONS:

You should be able to recall these ones.

- Cation:

- Group 1:

Li +

Na +

K +

- Group 2:

Be 2+

Mg 2+

Ca 2+

- Anions:

- Group 6:

O 2-

S 2-

- Group 7:

F -

Cl -

Br -