polyatomic ions

OH-

Hydroxides are insoluble except for G1A and Ba(OH)2

Hydroxide
CH3CO2?

Always Soluble

Acetate
NO3-

Always Soluble

Nitrate
ClO3-

Always Soluble

Chlorate
MnO4-
Permanganate
CN-
Cyanide
SO4^2-

Soluble. Exceptions Ca Sr Ba Pb

Sulfate
CrO4^2-

Insoluble Unless paired with G1A Ammonium and Barium

Chromate
Cr2O7^2-
dichromate
CO3^2-

Insoluble unless paired with G1A Amonium or Barium (Ba+)

Carbonate
PO4^3-

Insoluble unless paired with G1A Amonium or Barium (Ba+)

Phospate
NH4+
Amonium
Greek 1-5
moni
di
tri
tetra
penta
greek 6-10
hexa hepta octa nona deca
CH4
Methane
NH3
Ammonia
PH3
Phosphine
SiH4
Silane
H2S
Hydrogen Sulfide
Common Soluble Compounds (5)
Ammonium Nitrate Chlorate Acetate Sulfate
Common Suluble Elements (6)
Sodium (Na) Potassium (K) Chlorine (Cl) Bromine (Br) Iodine (I) Florine (F) or the entire Group 7 without Astatine.
Insoluble Compounds
Carbonate Phosphate Chromate Sulfide (S^2-)
x

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