Positive Valency
Valency (+1)
Valency (+2) Valency (+3) Valency ( +4)
Hydrogen(H)
Beryllium (Be)
Boron (B)
Stannic (Sn)
Lithium (Li)
Magnesium (Mg)
Aluminium (Al)
Titanium (Ti)
Sodium (Na) Calcium (Ca) Galium (Ga)
Potassium (K)
Strontium (Sr)
Indium (In)

Rubidium (Rb)
Barium (Ba)
Thallium ( Tl)

Cesium (Cs)
Ferrous (Fe)
Ferric (Fe)

Mercurous (Hg)
Cupric (Cu)


Silver (Hg)
Stannous (Sn)


Cuprous (Cu)
Zinc (Zn)


Ammonium (NH4 )
Cadmium (Cd)


Negative Valencies
Valency (-1) Valency (-2) Valency (-3)
Hydride (H) Oxide (O) Nitride (N)
Chloride (Cl) Sulphide (S) Phosphide (P)
Fluoride (F) Sulphite (SO32-) Phosphite (PO33-)
Bromide (Br) Sulphate (SO42-) Phosphate(PO43-)
Iodide ( I ) Selenide (Se) Arsenide(As3-)
Hydroxide (OH) Selenite (SeO32-) Arsanate(AsO33-)
Nitrite  (NO2-) Selenate(SeO42-) Arsenate(AsO43-)
Nitrate (NO3-) Carbonate(CO32-)
Bicarbonate/Hydrogen carbonate (HCO3-) Silicate(SiO32-)
Bisulphate/ Hydrogen sulphate (HSO4-) Dichromate
PermagnateMagnate 
Cyanide Chromate
Isocyanide