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List of elements by symbol

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This is a list of chemical elements by symbol, including the current symbols used to identify the chemical elements as recognized by the International Union of Pure and Applied Chemistry, as well as proposed and historical symbols. Also given is each element's atomic number, atomic mass or most stable isotope, group and period numbers on the periodic table, and origin of the symbol if not obvious from the current name of the element.

Chemical series of the periodic table
Alkali metals Alkaline earth metals Lanthanides Actinides Transition metals
Poor metals Metalloids Nonmetals Halogens Noble gases

Current symbolsEdit

  1. Symbols
Elements Origin of Symbol Persian element Atomic Number
AcActiniumGreek aktin11 89
AgSilverLatin argentum 47
AlAluminium (Aluminum)alumen 13
AmAmericiumthe Americas 95
ArArgonGreek argon 18
AsArsenicGreek arsenikos 33
AtAstatineGreek astatos 85
AuGoldLatin aurum 79
BBoronborax and carbon 5
BaBariumGreek barys 56
BeBerylliumberyl 4
BhBohriumNiels Bohr 107
BiBismuthcorruption of the German wissmuth 83
BkBerkeliumBerkeley, California 97
BrBromineGreek bromos 35
CCarboncarbo 6
CaCalciumcalx 20
CdCadmiumGreek kadmia 48
CeCeriumCeres 58
CfCaliforniumState and University of California 98
ClChlorineGreek chloros 17
CmCuriumPierre and Marie Curie 96
CoCobaltkobold 27
CrChromiumGreek chroma 24
CsCaesium (Cesium)Latin caesius 55
CuCopperLatin Cuprum 29
DbDubniumDubna, Russia 105
DsDarmstadtiumDarmstadt, Germany 110
DyDysprosiumGreek dysprositos 66
ErErbiumYtterby, Sweden 68
EsEinsteiniumAlbert Einstein 99
EuEuropiumEurope 63
FFluorineLatin fluo 9
FeIronLatin ferrum 26
FmFermiumEnrico Fermi 100
FrFranciumFrance 87
GaGalliumLatin Gallia 31
GdGadoliniumgadolinite 64
GeGermaniumGermany 32
HHydrogenGreek hydror and gen 1
HeHeliumGreek helios 2
HfHafniumLatin Hafnia 72
HgMercuryLatin hydr'argyrum 80
HoHolmiumLatin Holmia 67
HsHassiumHesse, Germany 108
IIodineGreek ioeides 53
InIndiumindigo blue 49
IrIridiumGreek iris 77
KPotassium (Kalium)Latin kalium 19
KrKryptonGreek kryptos 36
LaLanthanumlanthanien 57
LiLithiumGreek lithos 3
LrLawrenciumErnest O. Lawrence 103
LuLutetiumLatin Lutetia 71
MdMendeleviumDmitri Mendeleyev 101
MgMagnesiumMagnesia, Greece 12
MnManganeseLatin magnes 25
MoMolybdenumGreek molybdos 42
MtMeitneriumLise Meitner 109
NNitrogenGreek nitron and gen 7
NaSodiumLatin natrium 11
NbNiobiumNiobe 41
NdNeodymiumGreek neos didymos 60
NeNeonGreek neos 10
NiNickelGerman kupfernickel 28
NoNobeliumAlfred Nobel 102
NpNeptuniumNeptune 93
OOxygenGreek oxys and gen 8
OsOsmiumosme 76
PPhosphorusGreek phos'phoros 15
PaProtactiniumGreek protos and actinium 91
PbLeadLatin plumbum 82
PdPalladiumPallas 46
PmPromethiumPrometheus 61
PoPoloniumPoland 84
PrPraseodymiumGreek prasios didymos 59
PtPlatinumGreek plat'ina 78
PuPlutoniumPluto 94
RaRadiumGreek radius 88
RbRubidiumLatin rubidus 37
ReRheniumRhine Province 75
RfRutherfordiumErnest Rutherford 104
RgRoentgeniumWilhelm Conrad Röntgen 111
RhRhodiumGreek rhodon 45
RnRadonradium 86
RuRutheniumLatin Ruthenia 44
SSulfur (Sulphur)sulfur 16
SbAntimonyLatin stibium 51
ScScandiumScandinavia 21
SeSeleniumGreek selene 34
SgSeaborgiumGlenn T. Seaborg 106
SiSiliconLatin silex 14
SmSamariumsamarskite 62
SnTinLatin stannum 50
SrStrontiumLatin Strontian 38
TaTantalumKing Tantalus 73
TbTerbiumYtterby, Sweden 65
TcTechnetiumGreek technetos 43
TeTelluriumGreek tellus 52
ThThoriumThor 90
TiTitaniumthe Titans 22
TlThalliumGreek thallos 81
TmThuliumThule 69
UUraniumUranus 92
UubUnunbiumLatin uni and bi 112
UuhUnunhexiumLatin uni and Greek hex 116
UuoUnunoctiumLatin uni and oct 118
UupUnunpentiumLatin uni and Greek pent 115
UuqUnunquadiumLatin uni and quadr 114
UutUnuntriumLatin uni and Greek tri 113
VVanadiumVanadis 23
WTungstenGerman wolfram 74
XeXenonGreek xenos 54
YYttriumYtterby, Sweden 39
YbYtterbiumYtterby, Sweden 70
ZnZincGerman zin 30
Zr Zirconiumzircon 40
Chemical series of the periodic table
Alkali metals Alkaline earth metals Lanthanides Actinides Transition metals
Poor metals Metalloids Nonmetals Halogens Noble gases

CompoundsEdit

Chemical SymbolNameAtomic Number Why Not UsedSource
AArgon1234 Current symbol is Ar. [1]
AbAlabamine85 Discredited claim to discovery of astatine. [1]
AmAlabamium85 Discredited claim to discovery of astatine. [1]
AnActinon86 Name given at one time to an isotope of radon identified in the decay chain of actinium. [1]
AnAthenium99 Proposed name for einsteinium. [1]
AoAusonium93 Discredited claim to discovery of neptunium. [1]
AzAzote7 Former name for nitrogen. [1]
BvBrevium91 Former name for protactinium. [1]
BzBerzelium59 Suggested name for praseodymium. [1]
CbColumbium41 Former name of niobium. [1]
CbColumbium95 Suggested name for americium. [1]
CpCassiopeium71 Former name for lutetium. [1]
CtCenturium100 Proposed name for fermium. [1]
CtCeltium72 Former name of hafnium. [1]
DaDanubium43 Suggested name for technetium. [1]
DbDubnium104 Proposed name for rutherfordium. The symbol and name were used for element 105. [1]
DiDidymium - Rare earth metal that proved to be a mixture of the elements praseodymium and neodymium. [1]
DpDecipium - Rare earth metal that proved to be a mixture of the elements samarium, neodymium and praseodymium. [1]
EbEkaboron21 Name given by Mendeleev to an as of then undiscovered element. When discovered, scandium closely matched the prediction. [1]
ElEkaaluminium31 Name given by Mendeleev to an as of then undiscovered element. When discovered, gallium closely matched the prediction. [1]
EmEkamangan43 Name given by Mendeleev to an as of then undiscovered element. When discovered, technetium closely matched the prediction. [1]
EsEkasilicon32 Name given by Mendeleev to an as of then undiscovered element. When discovered, germanium closely matched the prediction. [1]
EsEsperium94 Discredited claim to discovery of plutonium. [1]
FaFrancium87 Current symbol is Fr. [1]
FrFlorentium61 Discredited claim to discovery of promethium. [1]
GlGlucinium4 Former name of beryllium. [1]
HaHahnium105 Proposed name for dubnium. [1]
HaHahnium108 Proposed name for hassium. [1]
IlIllinium61 Discredited claim to discovery of promethium. [1]
IoIonium90 Name given at one time to an isotope of thorium identified in the decay chain of uranium. [1]
JIodine53 In some languages, the name for iodine begins with J instead of I. [1]
JgJargonium72 Discredited claim to discovery of hafnium. [1]
JoJoliotium105 Proposed name for dubnium. [1]
KuKurchatovium104 Proposed name for rutherfordium. [1]
LwLawrencium103 Current symbol is Lr. [1]
MMuriaticum17 Former name of chlorine. [1]
MaMasurium43 Disputed claim to discovery of technetium. [1]
MdMendelevium97 Proposed name for berkelium. The symbol and name were later used for element 101. [1]
MeMendelevium68 Suggested name for erbium. [1]
MsMasrium49 Discredited claim of discovery of indium. [1]
MtMeitnium91 Suggested name for protactinium. [1]
MvMendelevium101 Current symbol is Md. [1]
NgNorwegium72 Discredited claim to discovery of hafnium. [1]
NiNiton86 Former name for radon. [1]
NoNorium72 Discredited claim to discovery of hafnium. [1]
Nsumair khan105 Proposed name for dubnium. [1]
NsNielsbohrium107 Proposed name for bohrium. [1]
NtNiton86 Suggested name for radon. [1]
NwNewtonium67 Suggested name for holmium. [1]
NyNeoytterbium70 Former name of ytterbium. [1]
OdOdinium62 Suggested name for samarium. [1]
PcPolicium110 Proposed name for darmstadtium. [1]
PePelopium41 Former name for niobium. [1]
PoPotassium19 Current symbol is K. [1]
PpPhilippium - Rare earth metal that proved to be a mixture of the elements holmium and samarium. [1]
RfRutherfordium106 Proposed name for seaborgium. The symbol and name were instead used for element 104. [1]
SaSamarium62 Current symbol is Sm. [1]
SoSodium11 Current symbol is Na. [1]
SpSpectrium70 Suggested name for ytterbium. [1]
StAntimony51 Current symbol is Sb. [1]
TnThoron86 Name given at one time to an isotope of radon identified in the decay chain of thorium. [1]
TnTungsten74 Current symbol is W. [1]
TuThulium69 Current symbol is Tm. [1]
TuTungsten74 Current symbol is W. [1]
TyTyrium60 Suggested name for neodymium. [1]
UnbUnnilbium102 Temporary name given to nobelium until that permanent name was chosen. [1]
UneUnnilennium109 Temporary name given to meitnerium until that permanent name was chosen. [1]
UnhUnnilhexium106 Temporary name given to seaborgium until that permanent name was chosen. [1]
UnoUnniloctium108 Temporary name given to hassium until that permanent name was chosen. [1]
UnpUnnilpentium105 Temporary name given to dubnium until that permanent name was chosen. [1]
UnqUnnilquadium104 Temporary name given to rutherfordium until that permanent name was chosen. [1]
UnsUnnilseptium107 Temporary name given to bohrium until that permanent name was chosen. [1]
UntUnniltrium103 Temporary name given to lawrencium until that permanent name was chosen. [1]
UnuUnnilunium101 Temporary name given to mendelevium until that permanent name was chosen. [1]
UunUnunnilium110 Temporary name given to darmstadtium until that permanent name was chosen. [1]
UuuUnununium111 Temporary name given to roentgenium until that permanent name was chosen. [1]
ViVirginium87 Discredited claim to discovery of francium. [1]
VmVirginium87 Discredited claim to discovery of francium. [1]
YtYttrium39 Current symbol is Y. [1]

The meaning of symbols in Why Not Used

  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.30 1.31 1.32 1.33 1.34 1.35 1.36 1.37 1.38 1.39 1.40 1.41 1.42 1.43 1.44 1.45 1.46 1.47 1.48 1.49 1.50 1.51 1.52 1.53 1.54 1.55 1.56 1.57 1.58 1.59 1.60 1.61 1.62 1.63 1.64 1.65 1.66 1.67 1.68 1.69 1.70 1.71 1.72 1.73 1.74 1.75 1.76 1.77 1.78 The name/symbol was an isotope's one.

Other symbols that look like element symbolsEdit

NotesEdit

ReferencesEdit

External linksEdit

Periodic tables

Standard table | Vertical table | Table with names | Names and atomic masses (large) | Names and atomic masses (small) | Names and atomic masses (text only) | Inline F-block | Elements to 218 | Electron configurations | Metals and nonmetals | Table by blocks | Alternatives

Lists of elements

Name | Atomic symbol | Atomic number | Boiling point | Melting point | Density | Atomic mass

Groups:   1 -  2 -  3 -  4 -  5 -  6 -  7 -  8 -  9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18
Periods:  1  -  2  -  3  -  4  -  5  -  6  -  7  -  8  -  9
Series:   Alkalis  -  Alkaline earths  -  Lanthanides  -  Actinides  -  Transition metals  -  Poor metals  -  Metalloids  -  Nonmetals  -  Halogens  -  Noble gases
Blocks:  s-block  -  p-block  -  d-block  -  f-block  -  g-block


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The original article was at List of elements by symbol. The list of authors can be seen in the page history. As with Chemistry, the text of Wikipedia is available under the GNU Free Documentation License.

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