Common Polyatomic Ions Flashcards

1
Q

S₂O₃²⁻

A

Thiosulfate

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2
Q

NH₄⁺

A

Ammonium

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3
Q

OH⁻

A

Hydroxide

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4
Q

CN⁻

A

Cyanide

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5
Q

CH₃CO₂⁻

A

Acetate

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6
Q

HSO₄⁻

A

Hydrogen sulfate (bisulfate)

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7
Q

PO₄³⁻

A

Phosphate

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8
Q

HPO₄²⁻

A

Hydrogen phosphate

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9
Q

H₂PO₄⁻

A

Dihydrogen phosphate

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10
Q

SCN⁻

A

Thiocyanate

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11
Q

OCN⁻

A

Cyanate

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12
Q

NO₂⁻

A

Nitrite

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13
Q

NO₃⁻

A

Nitrate

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14
Q

ClO⁻

A

Hypochlorite

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15
Q

ClO₂⁻

A

Chlorite

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16
Q

SO₃²⁻

A

Sulfite

17
Q

SO₄²⁻

A

Sulfate

18
Q

ClO₃⁻

A

Chlorate

19
Q

ClO₄⁻

A

Perchlorate

20
Q

CO₃²⁻

A

Carbonate

21
Q

HCO₃⁻

A

Hydrogen carbonate (bicarbonate)

22
Q

C₂O₄²⁻

A

Oxalate

23
Q

Cr₂O₇²⁻

A

Dichromate

24
Q

CrO₄²⁻

A

Chromate

25
Q

MnO₄⁻

A

Permanganate