Periodic Table of Ions

Table of polyatomic ions

acetate	${CH}_{3} {COO}^{-}$
arsenate	$A s {O_{4}}^{3 -}$
arsenite	$A s {O_{3}}^{3 -}$
benzoate	$C_{6} H_{5} C O O^{-}$
borate	$B {O_{3}}^{3 -}$
bromate	$Br {O_{3}}^{-}$
carbonate	$C {O_{3}}^{2 -}$
chlorate	$Cl {O_{3}}^{-}$
chlorite	$Cl {O_{2}}^{-}$
chromate	$Cr {O_{4}}^{2 -}$
cyanate	${C N O}^{-}$
cyanide	${C N}^{-}$
dichromate	${Cr}_{2} {O_{7}}^{2 -}$
dihydrogen phosphate	$H_{2} {P O}_{4}^{-}$
hydrogen carbonate	$H C {O_{3}}^{-}$
hydrogen oxalate	${H C}_{2} {O_{4}}^{-}$
hydrogen sulfate	$H S {O_{4}}^{-}$
hydrogen sulfide	$H S^{-}$
hydrogen sulfite	$H S {O_{3}}^{-}$
hydroxide	$O H^{-}$
hypochlorite	$Cl O^{-}$
iodate	$I {O_{3}}^{-}$
monohydrogen phosphate	$H P {O_{4}}^{2 -}$
nitrate	$N {O_{3}}^{-}$
nitrite	$N {O_{2}}^{-}$
orthosilicate	$Si {O_{4}}^{4 -}$
oxalate	$C_{2} {O_{4}}^{2 -}$
perchlorate	$Cl {O_{4}}^{-}$
periodate	$I {O_{4}}^{-}$
permanganate	$Mn {O_{4}}^{-}$
peroxide	${O_{2}}^{2 -}$
phosphate	$P {O_{4}}^{3 -}$
pyrophosphate	$P_{2} {O_{7}}^{4 -}$
sulfate	$S {O_{4}}^{2 -}$
sulfite	$S {O_{3}}^{2 -}$
thiocyanate	$S C N^{-}$
thiosulfate	$S_{2} {O_{3}}^{2 -}$

Positive polyatomic ions

Ammonium	$N {H_{4}}^{+}$
Hydronium	$H_{3} O^{+}$

Atomic number: 1

Group: 1

Symbol: $H$

Ion charge: $1 +$

Ion name (IUPAC): hydrogen

Atomic number: 1

Group: 17

Symbol: $H$

Ion charge: $1 -$

Ion name (IUPAC): hydride

Atomic number: 2

Group: 18

Symbol: $He$

Name (IUPAC): helium

Atomic number: 3

Group: 1

Symbol: $Li$

Ion charge: $1 +$

Ion name (IUPAC): lithium

Atomic number: 4

Group: 2

Symbol: $Be$

Ion charge: $2 +$

Ion name (IUPAC): beryllium

Atomic number: 5

Group: 13

Symbol: $B$

Ion name (IUPAC): boron

Atomic number: 6

Group: 14

Symbol: $C$

Ion name (IUPAC): carbon

Atomic number: 7

Group: 15

Symbol: $N$

Ion charge: $3 -$

Ion name (IUPAC): nitride

Atomic number: 8

Group: 16

Symbol: $O$

Ion charge: $2 -$

Ion name (IUPAC): oxide

Atomic number: 9

Group: 17

Symbol: $F$

Ion charge: $1 -$

Ion name (IUPAC): fluoride

Atomic number: 10

Group: 18

Symbol: $Ne$

Name (IUPAC): neon

Atomic number: 11

Group: 1

Symbol: $Na$

Ion charge: $1 +$

Ion name (IUPAC): sodium

Atomic number: 12

Group: 2

Symbol: $Mg$

Ion charge: $2 +$

Ion name (IUPAC): magnesium

Atomic number: 13

Group: 13

Symbol: $Al$

Ion charge: $3 +$

Ion name (IUPAC): aluminum

Atomic number: 14

Group: 14

Symbol: $Si$

Ion name (IUPAC): silicon

Atomic number: 15

Group: 15

Symbol: $P$

Ion charge: $3 -$

Ion name (IUPAC): phosphide

Atomic number: 16

Group: 16

Symbol: $S$

Ion charge: $2 -$

Ion name (IUPAC): sulfide

Atomic number: 17

Group: 17

Symbol: $Cl$

Ion charge: $1 -$

Ion name (IUPAC): chloride

Atomic number: 18

Group: 18

Symbol: $Ar$

Name (IUPAC): argon

Atomic number: 19

Group: 1

Symbol: $K$

Ion charge: $1 +$

Ion name (IUPAC): potassium

Atomic number: 20

Group: 2

Symbol: $Ca$

Ion charge: $2 +$

Ion name (IUPAC): calcium

Atomic number: 21

Group: 3

Symbol: $Sc$

Ion charge: $3 +$

Ion name (IUPAC): scandium

Atomic number: 22

Group: 4

Symbol: $Ti$

Ion charge: $4 +, 3 +$

Ion name (IUPAC): titanium (IV), titanium (III)

Atomic number: 23

Group: 5

Symbol: $V$

Ion charge: $3 +, 5 +$

Ion name (IUPAC): vanadium (III), vanadium (V)

Atomic number: 24

Group: 6

Symbol: $Cr$

Ion charge: $3 +, 2 +$

Ion name (IUPAC): chromium (III), chromium (II)

Atomic number: 25

Group: 7

Symbol: $Mn$

Ion charge: $2 +, 4 +$

Ion name (IUPAC): manganese (II), manganese (IV)

Atomic number: 26

Group: 8

Symbol: $Fe$

Ion charge: $3 +, 2 +$

Ion name (IUPAC): iron (III), iron (II)

Atomic number: 27

Group: 9

Ion charge: $2 +, 3 +$

Ion name (IUPAC): cobalt (II), cobalt (III)

Atomic number: 28

Group: 10

Symbol: $Ni$

Ion charge: $2 +, 3 +$

Ion name (IUPAC): nickel (II), nickel (III)

Atomic number: 29

Group: 11

Symbol: $Cu$

Ion charge: $2 +, 1 +$

Ion name (IUPAC): copper (II), copper (I)

Atomic number: 30

Group: 12

Symbol: $Zn$

Ion charge: $2 +$

Ion name (IUPAC): zinc

Atomic number: 31

Group: 13

Symbol: $Ga$

Ion charge: $3 +$

Ion name (IUPAC): gallium

Atomic number: 32

Group: 14

Symbol: $Ge$

Ion charge: $4 +$

Ion name (IUPAC): germanium

Atomic number: 33

Group: 15

Symbol: $As$

Ion charge: $3 -$

Ion name (IUPAC): arsenide

Atomic number: 34

Group: 16

Symbol: $Se$

Ion charge: $2 -$

Ion name (IUPAC): selenide

Atomic number: 35

Group: 17

Symbol: $Br$

Ion charge: $1 -$

Ion name (IUPAC): bromide

Atomic number: 36

Group: 18

Symbol: $Kr$

Name (IUPAC): krypton

Atomic number: 37

Group: 1

Symbol: $Rb$

Ion charge: $1 +$

Ion name (IUPAC): rubidium

Atomic number: 38

Group: 2

Symbol: $Sr$

Ion charge: $2 +$

Ion name (IUPAC): strontium

Atomic number: 39

Group: 3

Symbol: $Y$

Ion charge: $3 +$

Ion name (IUPAC): yttrium

Atomic number: 40

Group: 4

Symbol: $Zr$

Ion charge: $4 +$

Ion name (IUPAC): zirconium

Atomic number: 41

Group: 5

Symbol: $Nb$

Ion charge: $5 +, 3 +$

Ion name (IUPAC): niobium (V), niobium (III)

Atomic number: 42

Group: 6

Symbol: $Mo$

Ion charge: $6 +$

Ion name (IUPAC): molybdenum

Atomic number: 43

Group: 7

Symbol: $Tc$

Ion charge: $7 +$

Ion name (IUPAC): technitium

Atomic number: 44

Group: 8

Symbol: $Ru$

Ion charge: $3 +, 4 +$

Ion name (IUPAC): ruthenium (III), ruthenium (IV)

Atomic number: 45

Group: 9

Symbol: $Rh$

Ion charge: $3 +$

Ion name (IUPAC): rhodium

Atomic number: 46

Group: 10

Symbol: $Pd$

Ion charge: $2 +, 4 +$

Ion name (IUPAC): palladium (II), palladium (IV)

Atomic number: 47

Group: 11

Symbol: $Ag$

Ion charge: $5 +$

Ion name (IUPAC): silver

Atomic number: 48

Group: 12

Symbol: $Cd$

Ion charge: $2 +$

Ion name (IUPAC): cadmium

Atomic number: 49

Group: 13

Symbol: $In$

Ion charge: $3 +$

Ion name (IUPAC): indium

Atomic number: 50

Group: 14

Symbol: $Sn$

Ion charge: $4 +, 2 +$

Ion name (IUPAC): tin (IV), tin (II)

Atomic number: 51

Group: 15

Symbol: $Sb$

Ion charge: $3 +, 5 +$

Ion name (IUPAC): antimony (III), antimony (IV)

Atomic number: 52

Group: 16

Symbol: $Te$

Ion charge: $2 -$

Ion name (IUPAC): telluride

Atomic number: 53

Group: 17

Symbol: $I$

Ion charge: $1 -$

Ion name (IUPAC): iodide

Atomic number: 54

Group: 18

Symbol: $Xe$

Name (IUPAC): xenon

Atomic number: 55

Group: 1

Symbol: $Cs$

Ion charge: $1 +$

Ion name (IUPAC): cesium

Atomic number: 56

Group: 2

Symbol: $Ba$

Ion charge: $2 +$

Ion name (IUPAC): barium

Atomic number: 57

Group: 3

Symbol: $La$

Ion charge: $3 +$

Ion name (IUPAC): lanthanum

Atomic number: 58

Symbol: $Ce$

Ion charge: $3 +$

Ion name (IUPAC): cerium

Atomic number: 59

Symbol: $\Pr$

Ion charge: $3 +$

Ion name (IUPAC): praseodymium

Atomic number: 60

Symbol: $Nd$

Ion charge: $3 +$

Ion name (IUPAC): neodymium

Atomic number: 61

Symbol: $Pm$

Ion charge: $3 +$

Ion name (IUPAC): promethium

Atomic number: 62

Symbol: $Sm$

Ion charge: $3 +, 2 +$

Ion name (IUPAC): samarium (III), samarium (II)

Atomic number: 63

Symbol: $Eu$

Ion charge: $3 +, 2 +$

Ion name (IUPAC): europium (III), europium (II)

Atomic number: 64

Symbol: $Gd$

Ion charge: $3 +$

Ion name (IUPAC): gadolinium

Atomic number: 65

Symbol: $Tb$

Ion charge: $3 +$

Ion name (IUPAC): terbium

Atomic number: 66

Symbol: $Dy$

Ion charge: $3 +$

Ion name (IUPAC): dysprosium

Atomic number: 67

Symbol: $Ho$

Ion charge: $3 +$

Ion name (IUPAC): holmium

Atomic number: 68

Symbol: $Er$

Ion charge: $3 +$

Ion name (IUPAC): erbium

Atomic number: 69

Symbol: $Tm$

Ion charge: $3 +$

Ion name (IUPAC): thulium

Atomic number: 70

Symbol: $Yb$

Ion charge: $3 +, 2 +$

Ion name (IUPAC): ytterbium (III), ytterbium (II)

Atomic number: 71

Symbol: $Lu$

Ion charge: $3 +$

Ion name (IUPAC): lutetium

Atomic number: 72

Group: 4

Symbol: $Hf$

Ion charge: $4 +$

Ion name (IUPAC): hafnium

Atomic number: 73

Group: 5

Symbol: $Ta$

Ion charge: $5 +$

Ion name (IUPAC): tantalum

Atomic number: 74

Group: 6

Symbol: $W$

Ion charge: $6 +$

Ion name (IUPAC): tungsten

Atomic number: 75

Group: 7

Symbol: $Re$

Ion charge: $7 +$

Ion name (IUPAC): rhenium

Atomic number: 76

Group: 8

Symbol: $Os$

Ion charge: $4 +$

Ion name (IUPAC): osmium

Atomic number: 77

Group: 9

Symbol: $Ir$

Ion charge: $4 +$

Ion name (IUPAC): iridium

Atomic number: 78

Group: 10

Symbol: $Pt$

Ion charge: $4 +, 2 +$

Ion name (IUPAC): platinum (IV), platinum (II)

Atomic number: 79

Group: 11

Symbol: $Au$

Ion charge: 3 + , 1+

Ion name (IUPAC): gold (III), gold (I)

Atomic number: 80

Group: 12

Symbol: $Hg$

Ion charge: $2 +, 1 +$

Ion name (IUPAC): mercury (II), mercury (I)

Atomic number: 81

Group: 13

Symbol: $Tl$

Ion charge: $1 +, 3 +$

Ion name (IUPAC): thallium (I), thallium (III)

Atomic number: 82

Group: 14

Symbol: $Pb$

Ion charge: $2 +, 4 +$

Ion name (IUPAC): lead (II), lead (IV)

Atomic number: 83

Group: 15

Symbol: $Bi$

Ion charge: $3 +, 5 +$

Ion name (IUPAC): bismuth (III), bismuth (V)

Atomic number: 84

Group: 16

Symbol: $Po$

Ion charge: $2 +, 4 +$

Ion name (IUPAC): polonium (III), polonium (IV)

Atomic number: 85

Group: 17

Symbol: $At$

Ion charge: $1 -$

Ion name (IUPAC): astatide

Atomic number: 86

Group: 18

Symbol: $Rn$

Name (IUPAC): radon

Atomic number: 87

Group: 1

Symbol: $Fr$

Ion charge: $1 +$

Ion name (IUPAC): francium

Atomic number: 88

Group: 2

Symbol: $Ra$

Ion charge: $2 +$

Ion name (IUPAC): radium

Atomic number: 89

Group: 3

Symbol: $Ac$

Ion charge: $3 +$

Ion name (IUPAC): actinium

Atomic number: 90

Symbol: $Th$

Ion charge: $4 +$

Ion name (IUPAC): thorium

Atomic number: 91

Symbol: $Pa$

Ion charge: $5 +, 4 +$

Ion name (IUPAC): protactinium (V), protactinium (IV)

Atomic number: 92

Symbol: $U$

Ion charge: 6 + , 4+

Ion name (IUPAC): uranium (VI), uranium (IV)

Atomic number: 93

Symbol: $Np$

Ion charge: $5 +$

Ion name (IUPAC): neptunium

Atomic number: 94

Symbol: $Pu$

Ion charge: 4 + , 6+

Ion name (IUPAC): plutonium (IV), plutonium (VI)

Atomic number: 95

Symbol: $Am$

Ion charge: $3 +, 4 +$

Ion name (IUPAC): americium (III), americium (IV)

Atomic number: 96

Symbol: $Cm$

Ion charge: $3 +$

Ion name (IUPAC): curium

Atomic number: 97

Symbol: $Bk$

Ion charge: $3 +, 4 +$

Ion name (IUPAC): berkelium (III), berkelium (IV)

Atomic number: 98

Symbol: $Cf$

Ion charge: $3 +$

Ion name (IUPAC): californium

Atomic number: 99

Symbol: $Es$

Ion charge: $3 +$

Ion name (IUPAC): einsteinium

Atomic number: 100

Symbol: $Fm$

Ion charge: $3 +$

Ion name (IUPAC): fermium

Atomic number: 101

Symbol: $Md$

Ion charge: $2 +, 3 +$

Ion name (IUPAC): mendelevium (II), mendelevium (III)

Atomic number: 102

Symbol: $No$

Ion charge: $2 +, 3 +$

Ion name (IUPAC): nobelium (II), nobelium (III)

Atomic number: 103

Symbol: $Lr$

Ion charge: $3 +$

Ion name (IUPAC): lawrencium

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