Periodic Tble

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Unformatted text preview: n Sb Te Pb Bi Po At Rn 204.38 207.2 208.98 [209] [210] [222] ununtrium ununquadium ununpentium ununhexium ununseptium ununoctium Rf Db Sg Bh Hs Mt Ds Rg Uub Uut Uuq Uup Uuh Uus Uuo 58 praseodymium neodymium promethium 59 60 61 62 63 64 65 66 67 68 69 70 La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb 138.91 actinium 140.91 protactinium 144.24 uranium [145] neptunium 150.36 plutonium 151.96 americium 157.25 curium 158.93 berkelium 162.50 californium 164.93 einsteinium 167.26 fermium 168.93 mendelevium 173.06 nobelium 89 90 91 92 93 94 95 96 97 98 99 100 101 102 [227] **actinoids 140.12 thorium 232.04 231.04 [237] [244] [243] [247] [247] [251] [252] [257] [258] [259] Ac Th Pa U 238.03 Np Pu Am Cm Bk Cf Es Fm Md No Symbols and names: the symbols and names of the elements, and their spellings are those recommended by the International Union of Pure and Applied Chemistry (IUPAC - http://www.iupac.org/). Names have yet to be proposed for the most recently discovered elements beyond 112 and so those used here are IUPAC’s temporary systematic names. In the USA and some other countries, the spellings aluminum and cesium are normal while in the UK and elsewhere the common spelling is sulphur. Group labels...
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