Polyatomic ions Flashcards by Jennifer Phan

Q

Hydronium ion

A

H₃O⁺

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Q

Hydroxide ion

A

OH⁻

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Q

Ammonium ion

A

NH₄⁺

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Q

Nitrate ion

A

NO₃⁻

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Q

Nitrite ion

A

NO₂⁻

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Q

Cyanide ion

A

CN−

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Q

Cyanate ion

A

CNO−

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Q

Thiocyanate ion

A

SCN- (replace O with S)

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Q

Hydrogen sulfate ion

A

HSO4–

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Q

Sulfate ion

A

SO₄²-

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Q

Phosphate ion

A

PO4-3

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Q

Hydrogen Phosphate

A

HPO₄²-

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Q

Dihydrogen Phosphate

A

H2PO₄-

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Q

Phosphite ion

A

PO₃⁻3 (remove 1 O)

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Q

Carbonate ion

A

CO₃²-

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Q

Hydrogen carbonate

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A

HCO₃-

Q

Peroxide ion

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A

O2-2

Q

Acetate ion

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A

C2H3O2−

Q

Perchlorate ion

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A

ClO₄⁻ (add 1 O)

Q

Chlorate ion

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A

ClO₃-

Q

Chlorite ion

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A

ClO₂⁻

Q

Hypochlorite ion

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A

ClO⁻

Q

Chromate ion

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A

CrO₄²⁻

Q

Dichromate ion

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A

Cr2O7-2

Permanganate ion

MnO₄⁻