Polyatomic Ion Formulas

-ate Polyatomic Ions: Formulas and Charges

IIIA/13

IVA/14

VA/15

VIA/16

VIIA/17

Borate
BO_X^Y-

Carbonate
CO_X^Y-

Nitrate
NO_X^Y-

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
SiO_X^Y-

Phosphate
PO_X^Y-

Sulfate
SO_X^Y-

Chlorate
ClO_X^Y-

Other -ate Polyatomic Ions
Acetate Ion
Hydrogen carbonate Ion
Hydrogen phosphate Ion
Hydrogen sulfate Ion
Chromate Ion
Dichromate Ion
Dihydrogen phosphate Ion
Permanaganate Ion

Arsenate
AsO_X^Y-

Selenate
SeO_X^Y-

Bromate
BrO_X^Y-

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 Dot Structures

Stannate
SnO₃^Y-

Antimonate
SbO_X^Y-

Tellurate
TeO_X^Y-

Iodate
IO_X^Y-

Taylor's 3/4
Oxygen Rule   O-All
Border Three Rule:
0 1 2 3 4 5 6 7 8 9
Block of 4/6 Rule:
6-Both   1 2 3 4 5 6   6-All
O-Both   5 6   O-None
Transitional Metal O4 Rule:
0 1 2 3 4 5 6 7 8    T-All
Dot Structures    T-Both

Plumbate
PbO_X^Y-

See if you can discover a relationship
between the
# of oxygens in the formula,
and the
Position of the -ate ion
on the periodic table!

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