AP Chem Polyatomic Ion Charges Flashcards
1
Q
Mercury (I)
Hg2
A
+2
2
Q
Ammonium
NH4
A
+1
3
Q
Nitrite
NO2
A
-1
4
Q
Nitrate
NO3
A
-1
5
Q
Sulfite
SO3
A
-2
6
Q
Sulfate
SO4
A
-2
7
Q
Hydrogen sulfate (bisulfate) HSO4
A
-1
8
Q
Hydroxide
OH
A
-1
9
Q
Cyanide
CN
A
-1
10
Q
Phosphate
PO4
A
-3
11
Q
Hydrogen phosphate
HPO4
A
-2
12
Q
Dihydrogen phosphate
H2PO4
A
-1
13
Q
Thiocyanate
NCS or SCN
A
-1
14
Q
Carbonate
CO3
A
-2
15
Q
Hydrogen carbonate (bicarbonate) HCO3
A
-1
16
Q
Hypochlorite
ClO or OCL
A
-1
17
Q
Chlorite
ClO2
A
-1
18
Q
Chlorate
ClO3
A
-1
19
Q
Perchlorate
ClO4
A
-1
20
Q
Acetate
C2H3O2
A
-1
21
Q
Permangante
MnO4
A
-1
22
Q
Dichromate
Cr2O7
A
-2
23
Q
Chromate
CrO4
A
-2
24
Q
Peroxide
O2
A
-2
25
Q
Oxalate
C2O4
A
-2
26
Q
Thiosulfate
S2O3
A
-2
