Appendix B.fm Page 54 Wednesday, June 9, 2004 2:45 PM
Table B.8
Names and Charges of Polyatomic Ions
1 charge
2 charge
Name
Formula
Name
Formula
Chlorate
Carbonate
Cyanide
ClO3
ClO2
CN
Dichromate
Dihydrogen phosphate
H2PO4
Ethanoate
CH3COO
Thiosulfate
Name
3 charge
Formula
Phosphate
PO43
Phosphite
PO33
Oxalate
CO32
CrO42
Cr2O72
C2O42
Peroxide
O22
Name
S2O32
Silicate
SiO32
Ammonium
Hydroxide
OH
Sulfate
SO42
Hydrogen carbonate
Sulfite
SO32
Hypochlorite
HCO3
HSO4
HSO3
Nitrate
NO3
Nitrite
NO2
Perchlorate
ClO4
Permanganate
MnO4
Thiocyanate
SCN
Chlorite
Hydrogen sulfate
Hydrogen sulfite
Chromate
ClO
Table B.9
acetate
bromide
carbonate
chlorate
chloride
hydroxide
iodide
nitrate
oxide
perchlorate
phosphate
sulfate
sulfide
Solubilities of Compounds at 25C and 101.3 kpa
aluminum
S
S
X
S
S
I
S
S
I
S
I
S
d
ammonium
S
S
S
S
S
X
S
S
X
S
S
S
S
barium
S
S
I
S
S
S
S
S
sS S
I
I
d
calcium
S
S
I
S
S
S
S
S
sS S
I
sS
I
copper(II)
S
S
X
S
S
I
S
S
I
S
I
S
I
iron(II)
S
S
I
S
S
I
S
S
I
S
I
S
I
iron(III)
S
S
X
S
S
I
S
S
I
S
I
sS
d
lithium
S
S
sS S
S
S
S
S
S
S
sS
S
S
magnesium
S
S
I
S
S
I
S
S
I
S
I
S
d
potassium
S
S
S
S
S
S
S
S
S
S
S
S
S
silver
sS
I
I
S
I
X
I
S
I
S
I
sS
I
sodium
S
S
S
S
S
S
S
S
S
S
S
S
S
strontium
S
S
I
S
S
S
S
S
S
S
I
I
I
zinc
S
S
I
S
S
I
S
S
I
S
I
S
I
Key:
S soluble
sS slightly soluble
I insoluble
R54 Appendix B
d decomposes in water
X no such compound
1 charge
Formula
NH4