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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 Atomic Number
AcActiniumGreek aktin1189
AgSilverLatin argentum47
AlAluminium (Aluminum)alumen13
AmAmericiumthe Americas95
ArArgonGreek argon18
AsArsenicGreek arsenikos33
AtAstatineGreek astatos85
AuGoldLatin aurum79
BBoronborax and carbon5
BaBariumGreek barys56
BeBerylliumberyl4
BhBohriumNiels Bohr107
BiBismuthcorruption of the German wissmuth83
BkBerkeliumBerkeley, California97
BrBromineGreek bromos35
CCarboncarbo6
CaCalciumcalx20
CdCadmiumGreek kadmia48
CeCeriumCeres58
CfCaliforniumState and University of California98
ClChlorineGreek chloros17
CmCuriumPierre and Marie Curie96
CoCobaltkobold27
CrChromiumGreek chroma24
CsCaesium (Cesium)Latin caesius55
CuCopperLatin Cuprum29
DbDubniumDubna, Russia105
DsDarmstadtiumDarmstadt, Germany110
DyDysprosiumGreek dysprositos66
ErErbiumYtterby, Sweden68
EsEinsteiniumAlbert Einstein99
EuEuropiumEurope63
FFluorineLatin fluo9
FeIronLatin ferrum26
FmFermiumEnrico Fermi100
FrFranciumFrance87
GaGalliumLatin Gallia31
GdGadoliniumgadolinite64
GeGermaniumGermany32
HHydrogenGreek hydror and gen1
HeHeliumGreek helios2
HfHafniumLatin Hafnia72
HgMercuryLatin hydr'argyrum80
HoHolmiumLatin Holmia67
HsHassiumHesse, Germany108
IIodineGreek ioeides53
InIndiumindigo blue49
IrIridiumGreek iris77
KPotassium (Kalium)Latin kalium19
KrKryptonGreek kryptos36
LaLanthanumlanthanien57
LiLithiumGreek lithos3
LrLawrenciumErnest O. Lawrence103
LuLutetiumLatin Lutetia71
MdMendeleviumDmitri Mendeleyev101
MgMagnesiumMagnesia, Greece12
MnManganeseLatin magnes25
MoMolybdenumGreek molybdos42
MtMeitneriumLise Meitner109
NNitrogenGreek nitron and gen7
NaSodiumLatin natrium11
NbNiobiumNiobe41
NdNeodymiumGreek neos didymos60
NeNeonGreek neos10
NiNickelGerman kupfernickel28
NoNobeliumAlfred Nobel102
NpNeptuniumNeptune93
OOxygenGreek oxys and gen8
OsOsmiumosme76
PPhosphorusGreek phos'phoros15
PaProtactiniumGreek protos and actinium91
PbLeadLatin plumbum82
PdPalladiumPallas
PmPromethiumPrometheus61
PoPoloniumPoland84
PrPraseodymiumGreek prasios didymos59
PtPlatinumGreek plat'ina78
PuPlutoniumPluto94
RaRadiumGreek radius88
RbRubidiumLatin rubidus37
ReRheniumRhine Province75
RfRutherfordiumErnest Rutherford104
RgRoentgeniumWilhelm Conrad Röntgen111
RhRhodiumGreek rhodon45
RnRadonradium86
RuRutheniumLatin Ruthenia44
SSulfur (Sulphur)sulfur16
SbAntimonyLatin stibium51
ScScandiumScandinavia21
SeSeleniumGreek selene34
SgSeaborgiumGlenn T. Seaborg106
SiSiliconLatin silex14
SmSamariumsamarskite62
SnTinLatin stannum50
SrStrontiumLatin Strontian38
TaTantalumKing Tantalus73
TbTerbiumYtterby, Sweden65
TcTechnetiumGreek technetos43
TeTelluriumGreek tellus52
ThThoriumThor90
TiTitaniumthe Titans22
TlThalliumGreek thallos81
TmThuliumThule69
UUraniumUranus92
UubUnunbiumLatin uni and bi112
UuhUnunhexiumLatin uni and Greek hex116
UuoUnunoctiumLatin uni and oct118
UupUnunpentiumLatin uni and Greek pent115
UuqUnunquadiumLatin uni and quadr114
UutUnuntriumLatin uni and Greek tri113
VVanadiumVanadis23
WTungstenGerman wolfram74
XeXenonGreek xenos54
YYttriumYtterby, Sweden39
YbYtterbiumYtterby, Sweden70
ZnZincGerman zin30
Zirconiumzircon40
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
AArgon18 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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