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Periodic Table (Large Version) Information

This is a large version of the periodic table and contains the symbol, atomic number, and mean atomic mass value for the natural isotopic composition of each element. The periodic table of the chemical elements is a tabular method of displaying the chemical elements. Although precursors to this table exist, its invention is generally credited to Russian chemist Dmitri Mendeleev in 1869. Mendeleev intended the table to illustrate recurring ("periodic") trends in the properties of the elements. The layout of the table has been refined and extended over time, as new elements have been discovered, and new theoretical models have been developed to explain chemical behavior.[1]

The periodic table is now ubiquitous within the academic discipline of chemistry, providing an extremely useful framework to classify, systematize and compare all the many different forms of chemical behavior. The table has also found wide application in physics, biology, engineering, and industry. The current standard table contains 118 confirmed elements as of 10 March 2010)[update].

Contents

Periodic Table

Group → 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Period↓ IA IIA IIIA IVA VA VIA VIIA VIII VIII VIII IB IIB IIIB IVB VB VIB VIIB 0
IA IIA IIIB IVB VB VIB VIIB VIIIB VIIIB VIIIB IB IIB IIIA IVA VA VIA VIIA VIIIA
1 Hydrogen 1 H 1.0079 Name of element Atomic number Chemical symbol

Relative atomic mass

Helium 2 He 4.0026
2 Lithium 3 Li 6.941(2) Beryllium 4 Be 9.0122 Boron 5 B 10.811(7) Carbon 6 C 12.011 Nitrogen 7 N 14.0067 Oxygen 8 O 15.9994 Fluorine 9 F 18.998 Neon 10 Ne 20.180
3 Sodium 11 Na 22.990 Magnesium 12 Mg 24.305 Aluminium 13 Al 26.982 Silicon 14 Si 28.086 Phosphorus 15 P 30.974 Sulfur 16 S 32.066(6) Chlorine 17 Cl 35.453 Argon 18 Ar 39.948(1)
4 Potassium 19 K 39.098 Calcium 20 Ca 40.078(4) Scandium 21 Sc 44.956 Titanium 22 Ti 47.867(1) Vanadium 23 V 50.942(1) Chromium 24 Cr 51.996 Manganese 25 Mn 54.938 Iron 26 Fe 55.845(2) Cobalt 27 Co 58.933 Nickel 28 Ni 58.693 Copper 29 Cu 63.546(3) Zinc 30 Zn 65.39(2) Gallium 31 Ga 69.723(1) Germanium 32 Ge 72.61(2) Arsenic 33 As 74.922 Selenium 34 Se 78.96(3) Bromine 35 Br 79.904(1) Krypton 36 Kr 83.80(1)
5 Rubidium 37 Rb 85.468 Strontium 38 Sr 87.62(1) Yttrium 39 Y 88.906 Zirconium 40 Zr 91.224(2) Niobium 41 Nb 92.906 Molybdenum 42 Mo 95.94(1) Technetium 43 Tc [97.907] Ruthenium 44 Ru 101.07(2) Rhodium 45 Rh 102.906 Palladium 46 Pd 106.42(1) Silver 47 Ag 107.868 Cadmium 48 Cd 112.411(8) Indium 49 In 114.818(3) Tin 50 Sn 118.710(7) Antimony 51 Sb 121.760(1) Tellurium 52 Te 127.60(3) Iodine 53 I 126.904 Xenon 54 Xe 131.29(2)
6 Caesium 55 Cs 132.905 Barium 56 Ba 137.327(7) Lutetium 71 Lu 174.967(1) Hafnium 72 Hf 178.49(2) Tantalum 73 Ta 180.948 Tungsten 74 W 183.84(1) Rhenium 75 Re 186.207(1) Osmium 76 Os 190.23(3) Iridium 77 Ir 192.217(3) Platinum 78 Pt 195.084(9) Gold 79 Au 196.967 Mercury 80 Hg 200.59(2) Thallium 81 Tl 204.383 Lead 82 Pb 207.2(1) Bismuth 83 Bi 208.980 Polonium 84 Po [208.982] Astatine 85 At [209.987] Radon 86 Rn [222.018]
7 Francium 87 Fr [223.020] Radium 88 Ra [226.0254] Lawrencium 103 Lr [262.110] Rutherfordium 104 Rf [263.113] Dubnium 105 Db [262.114] Seaborgium 106 Sg [266.122] Bohrium 107 Bh [264.1247] Hassium 108 Hs [269.134] Meitnerium 109 Mt [268.139] Darmstadtium 110 Ds [272.146] Roentgenium 111 Rg [272.154] Copernicium 112 Cn [285.174] Ununtrium 113 Uut [284.178] Ununquadium 114 Uuq [289.187] Ununpentium 115 Uup [288.192] Ununhexium 116 Uuh [292.200] Ununseptium 117 Uus [292.208] Ununoctium 118 Uuo [293.215]
*Lanthanides Lanthanum 57 La 138.905 Cerium 58 Ce 140.116(1) Praseodymium 59 Pr 140.908 Neodymium 60 Nd 144.242(3) Promethium 61 Pm [144.913] Samarium 62 Sm 150.36(2) Europium 63 Eu 151.964(1) Gadolinium 64 Gd 157.25(3) Terbium 65 Tb 158.925 Dysprosium 66 Dy 162.500(1) Holmium 67 Ho 164.930 Erbium 68 Er 167.259(3) Thulium 69 Tm 168.934 Ytterbium 70 Yb 173.04(3)
**Actinides Actinium 89 Ac [227.027] Thorium 90 Th 232.038 Protactinium 91 Pa 231.036 Uranium 92 U 238.029 Neptunium 93 Np [237.048] Plutonium 94 Pu [244.064] Americium 95 Am [243.061] Curium 96 Cm [247.070] Berkelium 97 Bk [247.070] Californium 98 Cf [251.080] Einsteinium 99 Es [252.083] Fermium 100 Fm [257.095] Mendelevium 101 Md [258.098] Nobelium 102 No [259.101]

Legend

Element categories in the periodic table

Metals Metalloids Nonmetals Unknown chemical properties
Alkali metals Alkaline earth metals Inner transition metals Transition metals Post-transition metals Other nonmetals Halogens Noble gases
Lanthanides Actinides
Atomic number colors show state of matter at standard conditions (0 °C and 1 atm):
Solids Liquids Gases Unknown
Borders show natural occurrence:
Primordial From decay Synthetic

References

Notes

  1. ^ "The periodic table of the elements". International Union of Pure and Applied Chemistry. 2007-07-22. http://www.iupac.org/didac/Didac%20Eng/Didac01/Content/S01.htm. Retrieved 2008-02-08.
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