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Periodic Table of the Elements

The periodic table was first assembled in 1869 by a Russian chemist named Dmitri Mendeleev. He came up with a way of organizing the elements that were known at the time, arranged them in order of atomic weight, and then grouped them into rows and columns based on their chemical and physical properties.
 

Here is a unique "Mayan" format Periodic Table	PDF File 292 kB vector image TIFF File 1.4 MB, 2114×1634-pixel image
Legend   Alkali metals   Actinide series   Alkali earth metals   Other metals   Transition metals   Non-metals   Lanthanide series   Noble gases

WebElements - a great online source. Click on element symbol for more information. 1 Ia                                 18 VIIIa H 2 IIa                     13 IIIa 14 IVa 15 Va 16 VIa 17 VIIa He Li Be                     B C N O F Ne Na Mg 3 IIIb 4 IVb 5 Vb 6 VIb 7 VIIb 8 VIIIb 9 VIIIb 10 VIIIb 11 Ib 12 IIb Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba * Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra  ** Rf Db Sg Bh Hs Mt Ds Uuu                                                        * La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu      ** Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr   Name Sym # Wt actinium Ac 89 (227) aluminum Al 13 26.98 americium Am 95 (243) antimony Sb 51 121.7 argon Ar 18 39.94 arsenic As 33 74.92 astatine At 85 (210) barium Ba 56 137.3 berkelium Bk 97 (247) beryllium Be 4 9.012 bismuth Bi 83 209.0 boron B 5 10.81 bromine Br 35 79.90 cadmium Cd 48 112.4 calcium Ca 20 40.08 californium Cf 98 (249) carbon C 6 12.01 cerium Ce 58 140.1 cesium Cs 55 132.9 chlorine Cl 17 35.45 chromium Cr 24 52.00 cobalt Co 27 58.93 copper Cu 29 63.54 curium Cm 96 (245) dysprosium Dy 66 162.5 einsteinium Es 99 (254) erbium Er 68 167.2 europium Eu 63 152.0 fermium Fm 100 (255) fluorine F 9 19.00 francium Fr 87 (223) gadolinium Gd 64 157.2 gallium Ga 31 69.72 germanium Ge 32 72.5 gold Au 79 197.0 Name Sym # Wt hafnium Hf 72 178.4 helium He 2 4.003 holmium Ho 67 164.9 hydrogen H 1 1.008 indium In 49 114.8 iodine I 53 126.9 iridium Ir 77 192.2 iron Fe 26 55.84 krypton Kr 36 83.80 lanthanum La 57 138.9 lawrencium Lr 103 (257) lead Pb 82 207.2 lithium Li 3 6.940 lutetium Lu 71 175.0 magnesium Mg 12 24.31 manganese Mn 25 54.94 mendelevium Md 101 (256) mercury Hg 80 200.5 molybdenum Mo 42 95.90 neodymium Nd 60 144.2 neon Ne 10 20.17 neptunium Np 93 237.0 nickel Ni 28 58.70 niobium Nb 41 92.91 nitrogen N 7 14.01 nobelium No 102 (254) osmium Os 76 190.2 oxygen O 8 16.00 palladium Pd 46 106.4 phosphorus P 15 30.97 platinum Pt 78 195.0 plutonium Pu 94 (244) polonium Po 84 (210) potassium K 19 39.10         Name Sym # Wt praseodymium Pr 59 140.9 promethium Pm 61 (147) protactinium Pa 91 231.0 radium Ra 88 226.0 radon Rn 86 (222) rhenium Re 75 186.2 rhodium Rh 45 102.9 rubidium Rb 37 85.47 ruthenium Ru 44 101.0 samarium Sm 62 150.4 scandium Sc 21 44.96 selenium Se 34 78.90 silicon Si 14 28.08 silver Ag 47 107.9 sodium Na 11 23.00 strontium Sr 38 87.62 sulfur S 16 32.06 tantalum Ta 73 180.9 technetium Tc 43 98.91 tellurium Te 52 127.6 terbium Tb 65 158.9 thallium Tl 81 204.3 thorium Th 90 232.0 thulium Tm 69 168.9 tin Sn 50 118.6 titanium Ti 22 47.90 tungsten W 74 183.8 uranium U 92 238.0 vanadium V 23 50.94 xenon Xe 54 131.3 ytterbium Yb 70 173.0 yttrium Y 39 88.91 zinc Zn 30 65.38 zirconium Zr 40 91.22         Man-Made Elements rutherfordium Rf 104 261 dubnium Db 105 262 seaborgium Sg 106 263 bohrium Bh 107 264 hassium Hs 108 265 meitnerium Mt 109 266 ununnilium or darmstadtium Uun or Ds 110 269 unununium Uuu 111 272 Ununbium Uub 112 277 Ununquadium Uuq 114 296 Ununhexium Uuh 116 298 kirtium Ukb 999 999

 

PDF File 292 kB vector image

TIFF File 1.4 MB, 2114×1634-pixel image

Source of chart: NIST

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