Ammonium
NH4+
Hydronium
H3O+
Hydroxide
OH-
nitrate
NO3-
Perchlorate
ClO4-
chlorate
ClO3-
chlorite
ClO2-
hypochlorite
ClO-
acetate
C2H3O2-
Hydrogen Carbonate
HCO3-
cyanide
CN-
carbonate
CO3-2
sulfite
SO3-2
sulfate
SO4-2
phosphate
PO4-3
ammonia
NH3
methane
CH4
thiocyanate
SCN-
aluminum ion
Al+3
scandium ion
Sc+3
zinc ion
Zn+2
silver ion
Ag+1
covalent bond values
0-0.4
polar covalent bond values
0.5-1.9