Chemistry Polyatomic Ions
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Description and Tags
Formulas, names, and charge for common polyatomic ions
Last updated 1:45 AM on 1/31/23
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30 Terms
1
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Acetate ion
C₂H₃O₂⁻
2
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Chlorate ion
ClO₃⁻
3
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Chlorite ion
ClO₂⁻
4
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Cyanide ion
CN⁻
5
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hydroxide ion
OH⁻
6
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Hypochlorite ion
ClO⁻
7
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Nitrate ion
NO₃⁻
8
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Nitrite ion
NO₂⁻
9
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Perchlorate ion
ClO₄⁻
10
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Permangante Ion
MnO₄⁻
11
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Thiocyanate ion
SCN⁻
12
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Bicarbonate ion
HCO₃⁻
13
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Bisulfate ion
HSO₄⁻
14
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Dihydrogen phosphate ion
H₂PO₄⁻
15
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Carbonate ion
CO₃²⁻
16
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Chromate ion
CrO₄²⁻
17
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Dichromate ion
Cr₂O₇²⁻
18
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Sulfate ion
SO₄²⁻
19
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Sulfite ion
SO₃²⁻
20
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Monohydrogen phosphate ion
HPO₄²⁻
21
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Arsenate ion
AsO₄³⁻
22
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Phosphate ion
PO₄³⁻
23
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Phosphite ion
PO₃³⁻
24
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Ammonium ion
NH₄⁺
25
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-ate and -ite
both have oxygen
26
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-ide
no oxygen, single element
27
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-ate
very common, building block
28
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-ite
1 less oxygen than ate, same charge
29
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hypo-
1 less oxygen than ite
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per-
1 more oxygen than ate