Polyatomic Ions (formula) Flashcards
1
Q
NOTE: don’t write charges in actual formula and guess the charge along with the formula (exponent)
A
.
2
Q
Sulfite
A
SO3 (2-)
3
Q
Hydrogen sulfite
A
HSO3 (1-)
4
Q
Sulfate
A
SO4 (2-)
5
Q
Hydrogen sulfate
A
HSO4 (1-)
6
Q
Thiosulfate
A
S2O3 (2-)
7
Q
Carbonate
A
CO3 (2-)
8
Q
Hydrogen carbonate
A
HCO3 (1-)
9
Q
Phosphate
A
PO4 (3-)
10
Q
Hydrogen phosphate
A
HPO4 (2-)
11
Q
Dihydrogen phosphate
A
H2PO4 (1-)
12
Q
Chromate
A
CrO4 (2-)
13
Q
Dichromate
A
Cr2O7 (2-)
14
Q
Acetate
A
CH3COO (1-) or C2H3O2 (1-)
15
Q
Nitrite
A
NO2 (1-)
16
Q
Nitrate
A
NO3 (1-)
17
Q
Hypochlorite
A
ClO (1-)
18
Q
Chlorite
A
ClO2 (1-)
19
Q
Chlorate
A
ClO3 (1-)
20
Q
Perchlorate
A
ClO4 (1-)
21
Q
Cyanide
A
CN (1-)
22
Q
Cyanate
A
OCN (1-)
23
Q
Thiocyanate
A
SCN (1-)
24
Q
Hydroxide
A
OH (1-)
25
Q
Permanganate
A
MnO4 (1-)
26
Q
Oxalate
A
C2O4 (2-)
27
Q
Ammonium
A
NH4 (1+)
