List:Elements by symbol

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Y

Current symbols[edit]

Symbols

Elements Origin of Symbol Atomic Number
Ac Actinium Greek aktinos 89
Ag Silver Latin argentum 47
Al Aluminium (Aluminum) Latin alumen 13
Am Americium Nuclearsynthesis 95
Ar Argon Greek argon 18
As Arsenic Greek arsenikos 33
At Astatine Greek astatos 85
Au Gold Latin aurum 79
B Boron borax and carbon 5
Ba Barium Greek barys 56
Be Beryllium beryl 4
Bh Bohrium Niels Bohr 107
Bi Bismuth corruption of the German wissmuth 83
Bk Berkelium Berkeley, California 97
Br Bromine Greek bromos 35
C Carbon carbo 6
Ca Calcium calx 20
Cd Cadmium Greek kadmia 48
Ce Cerium Ceres 58
Cf Californium State and University of California 98
Cl Chlorine Greek chloros 17
Cm Curium Pierre and Marie Curie 96
Co Cobalt kobold 27
Cr Chromium Greek chroma 24
Cs Caesium (Cesium) Latin caesius 55
Cu Copper Latin Cuprum 29
Db Dubnium Dubna, Russia 105
Ds Darmstadtium Darmstadt, Germany 110
Dy Dysprosium Greek dysprositos 66
Er Erbium Ytterby, Sweden 68
Es Einsteinium Albert Einstein 99
Eu Europium Europe 63
F Fluorine Latin fluo 9
Fe Iron Latin ferrum 26
Fm Fermium Enrico Fermi 100
Fr Francium France 87
Ga Gallium Latin Gallia 31
Gd Gadolinium gadolinite 64
Ge Germanium Germany 32
H Hydrogen Greek hydror and gen 1
He Helium Greek helios 2
Hf Hafnium Latin Hafnia 72
Hg Mercury Latin hydr'argyrum 80
Ho Holmium Latin Holmia 67
Hs Hassium Hesse, Germany 108
I Iodine Greek ioeides 53
In Indium indigo blue 49
Ir Iridium Greek iris 77
K Potassium (Kalium) Latin kalium 19
Kr Krypton Greek kryptos 36
La Lanthanum lanthanien 57
Li Lithium Greek lithos 3
Lr Lawrencium Ernest O. Lawrence 103
Lu Lutetium Latin Lutetia 71
Md Mendelevium Dmitri Mendeleyev 101
Mg Magnesium Magnesia, Greece 12
Mn Manganese Latin magnes 25
Mo Molybdenum Greek molybdos 42
Mt Meitnerium Lise Meitner 109
N Nitrogen Greek nitron and gen 7
Na Sodium Latin natrium 11
Nb Niobium Niobe 41
Nd Neodymium Greek neos didymos 60
Ne Neon Greek neos 10
Ni Nickel German kupfernickel 28
No Nobelium Alfred Nobel 102
Np Neptunium Neptune 93
O Oxygen Greek oxys and gen 8
Os Osmium osme 76
P Phosphorus Greek phos'phoros 15
Pa Protactinium Greek protos and actinium 91
Pb Lead Latin plumbum 82
Pd Palladium Pallas 46
Pm Promethium Prometheus 61
Po Polonium Poland 84
Pr Praseodymium Greek prasios didymos 59
Pt Platinum Greek plat'ina 78
Pu Plutonium Pluto 94
Ra Radium Greek radius 88
Rb Rubidium Latin rubidus 37
Re Rhenium Rhine Province 75
Rf Rutherfordium Ernest Rutherford 104
Rg Roentgenium Wilhelm Conrad Röntgen 111
Rh Rhodium Greek rhodon 45
Rn Radon radium 86
Ru Ruthenium Latin Ruthenia 44
S Sulfur (Sulphur) sulfur 16
Sb Antimony Latin stibium 51
Sc Scandium Scandinavia 21
Se Selenium Greek selene 34
Sg Seaborgium Glenn T. Seaborg 106
Si Silicon Latin silex 14
Sm Samarium samarskite 62
Sn Tin Latin stannum 50
Sr Strontium Latin Strontian 38
Ta Tantalum King Tantalus 73
Tb Terbium Ytterby, Sweden 65
Tc Technetium Greek technetos 43
Te Tellurium Greek tellus 52
Th Thorium Thor 90
Ti Titanium the Titans 22
Tl Thallium Greek thallos 81
Tm Thulium Thule 69
U Uranium Uranus 92
Uub Ununbium Latin uni and bi 112
Uuh Ununhexium Latin uni and Greek hex 116
Uuo Ununoctium Latin uni and oct 118
Uup Ununpentium Latin uni and Greek pent 115
Uuq Ununquadium Latin uni and quadr 114
Uut Ununtrium Latin uni and Greek tri 113
V Vanadium Vanadis 23
W Tungsten German wolfram 74
Xe Xenon Greek xenos 54
Y Yttrium Ytterby, Sweden 39
Yb Ytterbium Ytterby, Sweden 70
Zn Zinc German zin 30
Zr Zirconium zircon 40
Chemical series of the periodic table
Alkali metals Alkaline earth metals Lanthanides Actinides Transition metals
Poor metals Metalloids Nonmetals Halogens Noble gases

Compounds[edit]

Chemical Symbol Name Atomic Number Why Not Used Source
A Argon 1234 Current symbol is Ar. [1]
Ab Alabamine 85 Discredited claim to discovery of astatine. [1]
Am Alabamium 85 Discredited claim to discovery of astatine. [1]
An Actinon 86 Name given at one time to an isotope of radon identified in the decay chain of actinium. [1]
An Athenium 99 Proposed name for einsteinium. [1]
Ao Ausonium 93 Discredited claim to discovery of neptunium. [1]
Az Azote 7 Former name for nitrogen. [1]
Bv Brevium 91 Former name for protactinium. [1]
Bz Berzelium 59 Suggested name for praseodymium. [1]
Cb Columbium 41 Former name of niobium. [1]
Cb Columbium 95 Suggested name for americium. [1]
Cp Cassiopeium 71 Former name for lutetium. [1]
Ct Centurium 100 Proposed name for fermium. [1]
Ct Celtium 72 Former name of hafnium. [1]
Da Danubium 43 Suggested name for technetium. [1]
Db Dubnium 104 Proposed name for rutherfordium. The symbol and name were used for element 105. [1]
Di Didymium - Rare earth metal that proved to be a mixture of the elements praseodymium and neodymium. [1]
Dp Decipium - Rare earth metal that proved to be a mixture of the elements samarium, neodymium and praseodymium. [1]
Eb Ekaboron 21 Name given by Mendeleev to an as of then undiscovered element. When discovered, scandium closely matched the prediction. [1]
El Ekaaluminium 31 Name given by Mendeleev to an as of then undiscovered element. When discovered, gallium closely matched the prediction. [1]
Em Ekamangan 43 Name given by Mendeleev to an as of then undiscovered element. When discovered, technetium closely matched the prediction. [1]
Es Ekasilicon 32 Name given by Mendeleev to an as of then undiscovered element. When discovered, germanium closely matched the prediction. [1]
Es Esperium 94 Discredited claim to discovery of plutonium. [1]
Fa Francium 87 Current symbol is Fr. [1]
Fr Florentium 61 Discredited claim to discovery of promethium. [1]
Gl Glucinium 4 Former name of beryllium. [1]
Ha Hahnium 105 Proposed name for dubnium. [1]
Ha Hahnium 108 Proposed name for hassium. [1]
Il Illinium 61 Discredited claim to discovery of promethium. [1]
Io Ionium 90 Name given at one time to an isotope of thorium identified in the decay chain of uranium. [1]
J Iodine 53 In some languages, the name for iodine begins with J instead of I. [1]
Jg Jargonium 72 Discredited claim to discovery of hafnium. [1]
Jo Joliotium 105 Proposed name for dubnium. [1]
Ku Kurchatovium 104 Proposed name for rutherfordium. [1]
Lw Lawrencium 103 Current symbol is Lr. [1]
M Muriaticum 17 Former name of chlorine. [1]
Ma Masurium 43 Disputed claim to discovery of technetium. [1]
Md Mendelevium 97 Proposed name for berkelium. The symbol and name were later used for element 101. [1]
Me Mendelevium 68 Suggested name for erbium. [1]
Ms Masrium 49 Discredited claim of discovery of indium. [1]
Mt Meitnium 91 Suggested name for protactinium. [1]
Mv Mendelevium 101 Current symbol is Md. [1]
Ng Norwegium 72 Discredited claim to discovery of hafnium. [1]
Ni Niton 86 Former name for radon. [1]
No Norium 72 Discredited claim to discovery of hafnium. [1]
Ns umair khan 105 Proposed name for dubnium. [1]
Ns Nielsbohrium 107 Proposed name for bohrium. [1]
Nt Niton 86 Suggested name for radon. [1]
Nw Newtonium 67 Suggested name for holmium. [1]
Ny Neoytterbium 70 Former name of ytterbium. [1]
Od Odinium 62 Suggested name for samarium. [1]
Pc Policium 110 Proposed name for darmstadtium. [1]
Pe Pelopium 41 Former name for niobium. [1]
Po Potassium 19 Current symbol is K. [1]
Pp Philippium - Rare earth metal that proved to be a mixture of the elements holmium and samarium. [1]
Rf Rutherfordium 106 Proposed name for seaborgium. The symbol and name were instead used for element 104. [1]
Sa Samarium 62 Current symbol is Sm. [1]
So Sodium 11 Current symbol is Na. [1]
Sp Spectrium 70 Suggested name for ytterbium. [1]
St Antimony 51 Current symbol is Sb. [1]
Tn Thoron 86 Name given at one time to an isotope of radon identified in the decay chain of thorium. [1]
Tn Tungsten 74 Current symbol is W. [1]
Tu Thulium 69 Current symbol is Tm. [1]
Tu Tungsten 74 Current symbol is W. [1]
Ty Tyrium 60 Suggested name for neodymium. [1]
Unb Unnilbium 102 Temporary name given to nobelium until that permanent name was chosen. [1]
Une Unnilennium 109 Temporary name given to meitnerium until that permanent name was chosen. [1]
Unh Unnilhexium 106 Temporary name given to seaborgium until that permanent name was chosen. [1]
Uno Unniloctium 108 Temporary name given to hassium until that permanent name was chosen. [1]
Unp Unnilpentium 105 Temporary name given to dubnium until that permanent name was chosen. [1]
Unq Unnilquadium 104 Temporary name given to rutherfordium until that permanent name was chosen. [1]
Uns Unnilseptium 107 Temporary name given to bohrium until that permanent name was chosen. [1]
Unt Unniltrium 103 Temporary name given to lawrencium until that permanent name was chosen. [1]
Unu Unnilunium 101 Temporary name given to mendelevium until that permanent name was chosen. [1]
Uun Ununnilium 110 Temporary name given to darmstadtium until that permanent name was chosen. [1]
Uuu Unununium 111 Temporary name given to roentgenium until that permanent name was chosen. [1]
Vi Virginium 87 Discredited claim to discovery of francium. [1]
Vm Virginium 87 Discredited claim to discovery of francium. [1]
Yt Yttrium 39 Current symbol is Y. [1]

The meaning of symbols in Why Not Used

Other symbols that look like element symbols[edit]

Notes[edit]

References[edit]

External links[edit]

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


Includes CC-BY-SA content from Wikipedia's List of elements by symbol article (authors)