Common Polyatomic Ions in Chemistry: Names and Formulas
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20 Terms
1
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Ammonium
NH₄⁺
2
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Hydroxide
OH⁻
3
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Cyanide
CN⁻
4
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Acetate
C₂H₃O₂⁻ (sometimes written CH₃COO⁻)
5
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Nitrate
NO₃⁻
6
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Nitrite
NO₂⁻
7
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Chlorate
ClO₃⁻
8
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Chlorite
ClO₂⁻
9
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Hypochlorite
ClO⁻
10
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Perchlorate
ClO₄⁻
11
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Carbonate
CO₃²⁻
12
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Bicarbonate
HCO₃⁻
13
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Sulfate
SO₄²⁻
14
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Sulfite
SO₃²⁻
15
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Hydrogen sulfate
HSO₄⁻
16
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Phosphate
PO₄³⁻
17
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Phosphite
PO₃³⁻
18
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Chromate
CrO₄²⁻
19
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Dichromate
Cr₂O₇²⁻
20
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Permanganate
MnO₄⁻
Note 
Flashcards (26)