Alkali Metals

(Li, Na, K, Rb, Cs, Fr)

1+

Alkaline Earth Metals

(Be, Mg, Ca, Sr, Ba, Ra)

2+

Scandium (Sc)

3+

Yttrium (Y)

3+

Lanthanum (La)

3+

Aluminum (Al)

3+

Gallium (Ga)

3+

Indium (In)

3+

Nickel (Ni)

2+

Zinc (Zn)

2+

Cadmium (Cd)

2+

Silver (Ag)

1+

Titanium (Ti)

4+, 3+

Chromium (Cr)

+3, +2

Manganese (Mn)

2+, 4+

1+, 3+, 5+, 6+, 7+

Iron (Fe)

3+, 2+

Cobalt (Co)

2+, 3+

Copper (Cu)

2+, 1+

Tin (Sn)

2+, 4+

Lead (Pb)

2+, 4+

Gold (Au)

3+, 1+

Mercury

2+,

1+ in (Hg₂)²⁺