Polyatomic & Common Ions

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created 7 years ago by SAT_ACT_guy
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A polyatomic ion, also known as a molecular ion, is a charged species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered as acting as a single unit in the context of acid and base chemistry or in the formation of salts.
updated 7 years ago by SAT_ACT_guy
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chemistry
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1

hydroxide

OH⁻¹

2

cyanide

CN⁻¹

3

acetate

C₂H₃O₂⁻¹

4

periodate

IO₄⁻¹

5

iodate

IO₃⁻¹

6

iodite

IO₂⁻¹

7

hypoiodite

IO⁻¹

8

perbromate

BrO₄⁻¹

9

bromate

BrO₃⁻¹

10

bromite

BrO₂⁻¹

11

hypobromite

BrO⁻¹

12

perchlorate

ClO₄⁻¹

13

chlorate

ClO₃⁻¹

14

chlorite

ClO₂⁻¹

15

hypochlorite

ClO⁻¹

16

ammonium

NH₄⁺¹

17

hydronium

H₃O⁺¹

18

silver

Ag⁺¹

19

perfluorate

FO₄⁻¹

20

fluorate

FO₃⁻¹

21

fluorite

FO₂⁻¹

22

hypofluorite

FO⁻¹

23

persulfate

SO₅⁻²

24

sulfate

SO₄⁻²

25

sulfite

SO₃⁻²

26

hyposulfite

SO₂⁻²

27

perselenate

SeO₅⁻²

28

selenate

SeO₄⁻²

29

selenite

SeO₃⁻²

30

hyposelenite

SeO₂⁻²

31

oxide

O⁻²

32

peroxide

O₂⁻²

33

pernitrate

NO₄⁻¹

34

nitrate

NO₃⁻¹

35

nitrite

NO₂⁻¹

36

hyponitrite

NO⁻¹

37

perphosphate

PO₅⁻³

38

phosphate

PO₄⁻³

39

phosphite

PO₃⁻³

40

hypophosphite

PO₂⁻³

41

perarsenate

AsO₅⁻³

42

arsenate

AsO₄⁻³

43

arsenite

AsO₃⁻³

44

hypoarsenite

AsO₂⁻³

45

dihydrogen phosphate

H₂PO₄⁻¹

46

hydrogen carbonate

HCO₃⁻¹

47

hydrogen sulfate

HSO₄⁻¹

48

permanganate

MnO₄⁻¹

49

thiocyanate

SCN⁻¹

50

fluoride

F⁻¹

51

chloride

Cl⁻¹

52

bromide

Br⁻¹

53

iodide

I⁻¹

54

chromate

CrO₄⁻²

55

dichromate

Cr₂O₇⁻²

56

hydrogen phosphate

HPO₄⁻²

57

oxalate

C₂O₄⁻²

58

sulfide

S⁻²

59

selenide

Se⁻²

60

telluride

Te⁻²

61

nitride

N⁻³

62

phosphide

P⁻³

63

formate

HCO₂⁻¹

64

cuprous

Cu⁺¹

65

cupric

Cu⁺²

66

cadmium

Cd⁺²

67

chromous

Cr⁺²

68

cobaltous

Co⁺²

69

ferrous

Fe⁺²

70

plumbous

Pb⁺²

71

manganous

Mn⁺²

72

mercurous

Hg₂⁺² (+2 charge, 2 atoms)

73

mercuric

Hg⁺²

74

barium

Ba⁺²

75

calcium

Ca⁺²

76

magnesium

Mg⁺²

77

strontium

Sr⁺²

78

zinc

Zn⁺²

79

beryllium

Be⁺²

80

hydrogen

H⁺¹

81

lithium

Li⁺¹

82

sodium

Na⁺¹

83

potassium

K⁺¹

84

rubidium

Rb⁺¹

85

cesium

Cs⁺¹

86

francium

Fr⁺¹

87

radium

Ra⁺²

88

stannous

Sn⁺²

89

aluminum

Al⁺³

90

chromic

Cr⁺³

91

ferric

Fe⁺³

92

plumbic

Pb⁺⁴

93

stannic

Sn⁺⁴

94

cobaltic

Co⁺³

95

manganic

Mn⁺³