Common Polyatomic Ions Flashcards

Includes reversed cards for memorization.

1
Q

Acetate

A

C2H3O2-

or

CH3COO-

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2
Q

Acetate

A

CH3CO2-

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3
Q

Ammonium

A

NH4+

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4
Q

Azide

A

N3-

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5
Q

Carbonate

A

CO32-

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6
Q

Chlorate ion

A

ClO3-

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7
Q

Chlorite ion

A

ClO2-

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8
Q

Chromate

A

CrO42-

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9
Q

Cyanide ion

A

CN-

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10
Q

Dichromate

A

Cr2O72-

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11
Q

Dihydrogen Phosphate

A

H2PO4-

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12
Q

Disulfide

A

S22-

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13
Q

Hydrogen Carbonate

(or bicarbonate ion)

A

HCO3-

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14
Q

Hydrogen Phosphate ion

A

HPO42-

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15
Q

Hydrogen Sulfate

A

HSO4-

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16
Q

Hydrogen Sulfate ion

(or bisulfate ion)

A

HSO4-

17
Q

Hydrogen Sulfite

A

HSO3-

18
Q

Hydronium

A

H3O+

19
Q

Hydroxide ion

A

OH-

20
Q

Hypochlorite

A

ClO-

21
Q

Nitrate

A

NO3-

22
Q

Nitrite

A

NO2-

23
Q

Oxalate

A

C2O42-

24
Q

Perchlorate ion

A

ClO4-

25
Q

Permanganate

A

MnO4-

26
Q

Phosphate ion

A

PO43-

27
Q

Phosphite

A

PO33-

28
Q

Silicate

A

SiO32-

29
Q

Sulfate ion

A

SO42-

30
Q

Sulfite ion

A

SO32-

31
Q

Thiocyanate

A

SCN-