Common Polyatomic Ions Flashcards

1
Q

Acetate

A

CH3COO-

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2
Q

Amide

A

NH2-

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3
Q

Azide

A

N3-

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4
Q

Benzoate

A

C6H5COO-

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5
Q

Bromate

A

BrO3-

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6
Q

Chlorate

A

ClO3-

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7
Q

Chlorite

A

ClO2-

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8
Q

Cyanate

A

OCN-

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9
Q

Cyanide

A

CN-

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10
Q

Dihydrogen Phosphate

A

H2PO4-

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11
Q

Formate

A

HCOO-

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12
Q

Hydrogen Carbonate (Bicarbonate)

A

HCO3-

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13
Q

Hydrogen Sulfate (Bisulfate)

A

HSO4-

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14
Q

Hydrogen Sulfide (Bisulfide or Hydrosulfide)

A

HS-

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15
Q

Hydroxide (Hydroxyl when aqueous)

A

OH-

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16
Q

Hypochlroite

A

ClO-

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17
Q

Iodate

A

IO3-

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18
Q

Nitrate

A

NO3-

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19
Q

Nitrite

A

NO2-

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20
Q

Perchlorate

A

ClO4-

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21
Q

Permanganate

A

MnO4-

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22
Q

Thiocyanate (Thiocynato)

A

SCN-

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23
Q

Triiodide

A

I3-

24
Q

Vanadate

A

VO3-

25
Q

Carbide (salltlike)

A

C2-2

26
Q

Carbonate

A

CO3-2

27
Q

Chromate

A

CrO4-2

28
Q

Dichromate

A

Cr2O7-2

29
Q

Imide

A

NH-2

30
Q

Manganate

A

MnO4-2

31
Q

Metasilicate

A

SiO3-2

32
Q

Monohydrogen Phosphate

A

HPO4-2

33
Q

Oxalate

A

C2O4-2

34
Q

Peroxide

A

O2-2

35
Q

Peroxydisulfate

A

S2O8-2

36
Q

Phthalate

A

C8H4O4-2

37
Q

Polysulfide

A

Sx-2

38
Q

Selenate

A

SeO4-2

39
Q

Sulfate

A

SO4-2

40
Q

Sulfite

A

SO3-2

41
Q

Tartrate

A

C4H4O6-2

42
Q

Tellurate

A

TeO4-2

43
Q

Tetraborate

A

B4O7-2

44
Q

Thiosulfate

A

S2O3-2

45
Q

Tungstate

A

WO4-2

46
Q

Zincate

A

ZnO2-2

47
Q

Aluminate

A

AlO3-3

48
Q

Arsenate

A

AsO4-3

49
Q

Borate

A

BO3-3

50
Q

Citrate

A

C6H5O7-3

51
Q

Phosphate

A

PO4-3

52
Q

Orthosilicate

A

SiO4-4

53
Q

Pyrophosphate

A

P2O7-4

54
Q

Tripolyphosphate

A

P3O10-5

55
Q

Ammonium

A

NH+4

56
Q

Hydronium

A

H3O+