== POLYATOMIC IONS ==
+1: NH4 (Ammonium), H3O (Hydronium)
-1: C2H3O2, BrO3, ClO3, ClO2, CN, HCO3, OH, ClO, IO3, NO3, NO2, ClO4, MnO4, SCN
-2: CO3, CrO4, Cr2O7, C2O4, SO4, SO3, S2O3
-3: AsO4, BO3, PO4

== VARIABLE CATIONS ==
Cu, Hg: 1, 2
Fe, Cr, Co, Ni, Mn: 2, 3
Pb, Sn: 2, 4
Sb, Bi: 3, 5

== FIXED CATIONS ==
Zn: 2, Ag: 1, Cd: 2

== STRONG ACIDS ==
HCl, HBr, HI, HNO3, HClO4, HClO3, H2SO4

== SOLUBILITY ==
SOLUBLE: Gp1, NH4, NO3, Acetate, ClO3, ClO4
HALIDES: Soluble EXC: Ag, Pb, Hg2(2+)
SULFATES: Soluble EXC: Ba, Sr, Ca, Hg2(2+), Pb
SULFIDES: Insol EXC: Ba, Ca, Sr
OH: Insol EXC: Gp1, Ba, Sr, Ca