Polyatomic Ions And Acids Chart
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1Chemistry I Honors – Polyatomic Ions List
Ion Name
Formula
Charge
+
ammonium
NH
1+
4
-
acetate
CH
COO
1-
3
-
dihydrogen phosphate
H
PO
1-
2
4
-
hydrogen carbonate
HCO
1-
3
-
hydrogen sulfate
HSO
1-
4
-
hydroxide
OH
1-
-
nitrate
NO
1-
3
-
nitrite
NO
1-
2
-
permanganate
MnO
1-
4
2-
carbonate
CO
2-
3
2-
chromate
CrO
2-
4
2-
hydrogen phosphate
HPO
2-
4
2-
sulfate
SO
2-
4
2-
sulfite
SO
2-
3
3-
phosphate
PO
3-
4
Chemistry I Honors – Acid Names List
Acid Formula
Name
HF
hydrofluoric acid
HCl
hydrochloric acid
HBr
hydrobromic acid
HI
hydroiodic acid
H
S
hydrosulfuric acid
2
H
PO
phosphoric acid
3
4
HNO
nitrous acid
2
HNO
nitric acid
3
H
SO
sulfurous acid
2
3
H
SO
sulfuric acid
2
4
CH
COOH
acetic acid
3
H
CO
carbonic acid
2
3
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