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User:Thinking of England/Notes2

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List of elements by symbol


Symbol Name Etymology of Symbol Atomic Number Relative Atomic Mass Group Period
Ac Actinium from Greek aktinos 89 [227][1]   7
Ag Silver Latin argentum 47 107.8682(2)[2] 11 5
Al Aluminium (Aluminum) Latin alumen 13 26.9815386(8) 13 3
Am Americium the Americas 95 [243][1]   7
Ar Argon Greek argon 18 39.948(1)[2][3] 18 3
As Arsenic Greek arsenikos 33 74.92160(2) 15 4
At Astatine Greek astatos 85 [210][1] 17 6
Au Gold Latin aurum 79 196.966569(4) 11 6
B Boron borax 5 10.811(7)[2][3][4] 13 2
Ba Barium Greek barys 56 137.327(7) 2 6
Be Beryllium beryl 4 9.012182(3) 2 2
Bh Bohrium Niels Bohr 107 [264][1] 7 7
Bi Bismuth from German wissmuth 83 208.98040(1) 15 6
Bk Berkelium Berkeley, California 97 [247][1]   7
Br Bromine Greek bromos 35 79.904(1) 17 4
C Carbon Latin carbo 6 12.0107(8)[2][3] 14 2
Ca Calcium Latin calx 20 40.078(4)[2] 2 4
Cd Cadmium from Greek kadmia 48 112.411(8)[2] 12 5
Ce Cerium Ceres 58 140.116(1)[2]   6
Cf Californium State and University of California 98 [251][1]   7
Cl Chlorine Greek chloros 17 35.453(2)[2][3][4] 17 3
Cm Curium Pierre and Marie Curie and the traditional -um ending 96 [247][1]   7
Co Cobalt from German kobold 27 58.933195(5) 9 4
Cr Chromium Greek chroma 24 51.9961(6) 6 4
Cs Caesium (Cesium) Latin caesius 55 132.9054519(2) 1 6
Cu Copper Latin Cuprum 29 63.546(3)[3] 11 4
Db Dubnium Dubna, Russia 105 [262][1] 5 7
Ds Darmstadtium Darmstadt, Germany 110 [271][1] 10 7
Dy Dysprosium Greek dysprositos 66 162.500(1)[2]   6
Er Erbium Ytterby, Sweden 68 167.259(3)[2]   6
Es Einsteinium Albert Einstein 99 [252][1]   7
Eu Europium Europe 63 151.964(1)[2]   6
F Fluorine Latin fluo 9 18.9984032(5) 17 2
Fe Iron Latin ferrum 26 55.845(2) 8 4
Fm Fermium Enrico Fermi 100 [257][1]   7
Fr Francium France 87 [223][1] 1 7
Ga Gallium Latin Gallia 31 69.723(1) 13 4
Gd Gadolinium gadolinite 64 157.25(3)[2]   6
Ge Germanium Germany 32 72.64(1) 14 4
H Hydrogen Greek hydrogenes 1 1.00794(7)[2][3][4] 1 1
He Helium Greek helios 2 4.002602(2)[2][3] 18 1
Hf Hafnium Latin Hafnia 72 178.49(2) 4 6
Hg Mercury Latin hydrargyrum 80 200.59(2) 12 6
Ho Holmium Latin Holmia 67 164.930 32(2)   6
Hs Hassium Hesse, Germany 108 [277][1] 8 7
I Iodine Greek ioeides 53 126.904 47(3) 17 5
In Indium indigo blue 49 114.818(3) 13 5
Ir Iridium Greek iris 77 192.217(3) 9 6
K Potassium (Kalium) Latin kalium 19 39.0983(1) 1 4
Kr Krypton Greek kryptos 36 83.798(2)[2][4] 18 4
La Lanthanum Greek lanthanien 57 138.90547(7)[2]   6
Li Lithium Greek lithos 3 6.941(2)[2][3][4][5] 1 2
Lr Lawrencium Ernest O. Lawrence 103 [262][1] 3 7
Lu Lutetium Latin Lutetia 71 174.967(1)[2] 3 6
Md Mendelevium Dmitri Mendeleyev 101 [258][1]   7
Mg Magnesium Magnesia, Greece 12 24.3050(6) 2 3
Mn Manganese Latin magnes 25 54.938045(5) 7 4
Mo Molybdenum Greek molybdos 42 95.94(2)[2] 6 5
Mt Meitnerium Lise Meitner 109 [268][1] 9 7
N Nitrogen Greek nitron 7 14.0067(2)[2][3] 15 2
Na Sodium Latin natrium 11 22.98976928(2) 1 3
Nb Niobium Niobe 41 92.906 38(2) 5 5
Nd Neodymium Greek neos didymos 60 144.242(3)[2]   6
Ne Neon Greek neos 10 20.1797(6)[2][4] 18 2
Ni Nickel German kupfernickel 28 58.6934(2) 10 4
No Nobelium Alfred Nobel 102 [259][1]   7
Np Neptunium Neptune 93 [237][1]   7
O Oxygen Greek oxys 8 15.9994(3)[2][3] 16 2
Os Osmium Greek osme 76 190.23(3)[2] 8 6
P Phosphorus Greek phosphoros 15 30.973762(2) 15 3
Pa Protactinium Greek protos and actinium 91 231.03588(2)[1]   7
Pb Lead Latin plumbum 82 207.2(1)[2][3] 14 6
Pd Palladium Pallas and the traditional -dium ending 46 106.42(1)[2] 10 5
Pm Promethium Prometheus 61 [145][1]   6
Po Polonium Poland 84 [210][1] 16 6
Pr Praseodymium Greek prasios 59 140.90765(2)   6
Pt Platinum Greek platina 78 195.084(9) 10 6
Pu Plutonium Pluto 94 [244][1]   7
Ra Radium Latin radius 88 [226][1] 2 7
Rb Rubidium Latin rubidus 37 85.4678(3)[2] 1 5
Re Rhenium German Rheinprovinz 75 186.207(1) 7 6
Rf Rutherfordium Ernest Rutherford 104 261[1] 4 7
Rg Roentgenium Wilhelm Conrad Röntgen 111 [272][1] 11 7
Rh Rhodium Greek rhodon 45 102.905 50(2) 9 5
Rn Radon radium and emanation 86 [220][1] 18 6
Ru Ruthenium Latin Ruthenia 44 101.07(2)[2] 8 5
S Sulfur (Sulphur) Latin sulfur 16 32.065(5)[2][3] 16 3
Sb Antimony Latin stibium 51 121.760(1)[2] 15 5
Sc Scandium Scandinavia 21 44.955912(6) 3 4
Se Selenium Greek selene 34 78.96(3)[3] 16 4
Sg Seaborgium Glenn T. Seaborg 106 [266][1] 6 7
Si Silicon Latin silex 14 28.0855(3)[3] 14 3
Sm Samarium samarskite 62 150.36(2)[2]   6
Sn Tin Latin stannum 50 118.710(7)[2] 14 5
Sr Strontium Gaelic Strontian 38 87.62(1)[2][3] 2 5
Ta Tantalum King Tantalus 73 180.94788(2) 5 6
Tb Terbium Ytterby, Sweden 65 158.92535(2)   6
Tc Technetium Greek technetos 43 [98][1] 7 5
Te Tellurium Greek tellus 52 127.60(3)[2] 16 5
Th Thorium Thor 90 232.03806(2)[1][2]   7
Ti Titanium the Titans 22 47.867(1) 4 4
Tl Thallium Greek thallos 81 204.3833(2) 13 6
Tm Thulium Thule and the traditional -ium ending 69 168.93421(2)   6
U Uranium Uranus 92 238.02891(3)[1][2][4]   7
Uub Ununbium Latin uni, uni, and bi 112 [285][1] 12 7
Uuh Ununhexium Latin uni, uni, and Greek hex 116 [292][1] 16 7
Uuo Ununoctium Latin uni, uni, and oct 118 [294][1] 18 7
Uup Ununpentium Latin uni, uni, and Greek pent 115 [288][1] 15 7
Uuq Ununquadium Latin uni, uni, and quadr 114 [289][1] 14 7
Uut Ununtrium Latin uni, uni, and Greek tri 113 [284][1] 13 7
V Vanadium Vanadis 23 50.9415(1) 5 4
W Tungsten German wolfram 74 183.84(1) 6 6
Xe Xenon Greek xenos 54 131.293(6)[2][4] 18 5
Y Yttrium Ytterby, Sweden 39 88.90585(2) 3 5
Yb Ytterbium Ytterby, Sweden 70 173.04(3)[2]   6
Zn Zinc German zink 30 65.409(4) 12 4
Zr Zirconium zircon 40 91.224(2)[2] 4 5
  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj The element does not have any stable nuclides, and a value in brackets, e.g. [209], indicates the mass number of the longest-lived isotope of the element. However, three elements, Thorium, Protactinium, and Uranium, have a characteristic terrestrial isotopic composition, and thus their atomic mass given.
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am The isotopic composition of this element varies in some geological specimens, and the variation may exceed the uncertainty stated in the table.
  3. ^ a b c d e f g h i j k l m n o The isotopic composition varies in terrestrial material such that a more precise atomic weight can not be given.
  4. ^ a b c d e f g h The isotopic composition of the element can vary in commercial materials, which can cause the atomic weight to deviate significantly from the given value.
  5. ^ The atomic weight of commercial Lithium can vary between 6.939 and 6.996—analysis of the specific material is necessary to find a more accurate value.
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