Common Polyatomic Ions (Mixed -CHM151) Flashcards

1
Q

ammonium ion

A

NH4+

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2
Q

carbonate ion

A

CO32-

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3
Q

cyanide ion

(Note that the suffix -ide is an exception to the general -ate and -ite rule.

A

CN-

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4
Q

hydrogen carbonate ion

A

HCO3-

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5
Q

hydrogen sulfate ion

A

HSO4-

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6
Q

hydroxide ion

A

OH-

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7
Q

nitrate ion

A

NO3-

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8
Q

nitrite ion

A

NO2-

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9
Q

phosphate ion

A

PO43-

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10
Q

sulfate ion

A

SO42-

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11
Q

sulfite ion

A

SO32-

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12
Q

Silicate

A

SiO32-

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13
Q

Arsenate Ion

A

AsO43-

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14
Q

Selenate

A

SeO42-

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15
Q

Chlorate

A

ClO3-

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16
Q

Bromate

A

BrO3-

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17
Q

Iodate

A

IO3-

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18
Q

Selenite

A

SeO32-

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18
Q

Phosphite

A

PO33-

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19
Q

Arsenite

A

AsO33-

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20
Q

Iodite

A

IO2-

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21
Q

Bromite

A

BrO2-

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22
Q

Chlorite

A

ClO2-

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23
Q

Perchlorate

A

ClO4-

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24
Q

Hypochlorite

A

ClO-

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25
Q

Perbromate

A

BrO4-

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26
Q

Hypobromite

A

BrO-

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27
Q

Periodate

A

IO4-

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28
Q

Hypoiodite

A

IO-

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29
Q

Chromate

A

CrO42-

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30
Q

Dichromate

(indicates 2 chromium atoms)

A

Cr2O72-

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31
Q

Permanganate

A

MnO4-

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32
Q

Manganate

A

MnO42-

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33
Q

Acetate

A

C2H3O2-

34
Q

Hydrogen Phosphate

A

HPO42-

35
Q

Cyanate

A

CNO-

36
Q

Thiocyanate

A

SCN-

37
Q

Hydrogen Phosphite

A

HPO32-

38
Q

Dihydrogen Phosphite

A

H2PO3-

39
Q

Hydrogen Sulfite

A

HSO3-

40
Q

Peroxide

A

O22-

41
Q

Hydronium Ion

A

H3O+

42
Q

NH4+

A

ammonium ion

43
Q

CO32-

A

carbonate ion

44
Q

CN-

A

cyanide ion

(Note that the suffix -ide is an exception to the general -ate and -ite rule.

45
Q

HCO3-

A

hydrogen carbonate ion

46
Q

HSO4-

A

hydrogen sulfate ion

47
Q

OH-

A

hydroxide ion

48
Q

NO3-

A

nitrate ion

49
Q

NO2-

A

nitrite ion

50
Q

PO43-

A

phosphate ion

51
Q

SO42-

A

sulfate ion

52
Q

SO32-

A

sulfite ion

53
Q

SiO32-

A

Silicate

54
Q

AsO43-

A

Arsenate Ion

55
Q

SeO42-

A

Selenate

56
Q

ClO3-

A

Chlorate

57
Q

BrO3-

A

Bromate

58
Q

IO3-

A

Iodate

59
Q

SeO32-

A

Selenite

60
Q

PO33-

A

Phosphite

61
Q

AsO33-

A

Arsenite

62
Q

IO2-

A

Iodite

63
Q

BrO2-

A

Bromite

64
Q

ClO2-

A

Chlorite

65
Q

Clo4-

A

Perchlorate

66
Q

ClO-

A

Hypochlorite

67
Q

BrO4-

A

Perbromate

68
Q

BrO-

A

Hypobromite

69
Q

IO4-

A

Periodate

70
Q

IO-

A

Hypoiodite

71
Q

CrO42-

A

Chromate

72
Q

Cr2O72-

A

Dichromate

(indicates 2 chromium atoms)

73
Q

MnO4-

A

Permanganate

74
Q

MnO42-

A

Manganate

75
Q

C2H3O2-

A

Acetate

76
Q

HPO42-

A

Hydrogen Phosphate

77
Q

CNO-

A

Cyanate

78
Q

SCN-

A

Thiocyanate

79
Q

HPO32-

A

Hydrogen Phosphite

80
Q

H2PO3-

A

Dihydrogen Phosphite

81
Q

HSO3-

A

Hydrogen Sulfite

82
Q

O22-

A

Peroxide

83
Q

H3O+

A

Hydronium Ion