-ate Polyatomic Ions: Formulas and Charges
IIIA/13 IVA/14 VA/15 VIA/16 VIIA/17
Borate

BO33-
Carbonate

CO32-
Nitrate

NO31-
Click
on the X
in the Formula
for the #oxygens
Click
on the Y-
in the Formula
for the charge
Intro To
Polyatomic Ions

The Problem
-ite Rule
-ide Rule
Taylor's 3/4 -ate Rule
Taylor's Charge Rule

Silicate

SiO32-
Phosphate

PO43-
   Sulfate   

SO42-
Chlorate

ClO31-
Other -ate Polyatomic Ions
Acetate Ion
Hydrogen carbonate Ion
Hydrogen phosphate Ion
Hydrogen sulfate Ion
Chromate Ion
Dichromate Ion
Dihydrogen phosphate Ion
Permanaganate Ion
Polyatomic Ion Charts
from Textbooks:


McMurray: Table 3.2
Silverberg: Table 2.5
Corwin: Table 7.03
Tillery: Table 9.3
Kotz: Table 3.1
Hill: Table 5.04
-ite & -ide Rule
 Arsenate 

AsO43-
Selenate

SeO42-
Bromate

BrO31-
Taylor's 3/4
Oxygen Rule   O-All
Border Three Rule:
1 2 3 4 5 6 7 8 9
Block of 6 Rule:
6-Both   1 2 3 4 5 6   6-All
O-Both   5 6   O-None
Transitional Metal O4 Rule:
1 2 3 4 5 6 7 8    T-All
Dot Structures    T-Both
Taylor's
Charge Rule   O-All
Single Bond Rule:
0 1 2 3 4 5 6 7 8 9
Double Bond Rule:
6-All   1 2 3 4 5   6-Both
Hydrogen Rule:
T-Both     1 2 3   O-None
Transitional Metal -2 Rule:
0 1 2 3 4 5 6 7 8   T-All
Use
Taylor's 3/4 Oxygen Rule
for the formula and
Taylor's Charge Rule
for Polyatomic Charge!
Iodate

IO31-