ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
Copernicium Cn 112 Post-​transition metal Nicolaus Copernicus, astronomer 12 7 -23.70 357.00 0.00
Rutherfordium Rf 104 Transition metal Ernest Rutherford, chemist and physicist 4 7 -23.20 -2400.00 -5800.00 0.00
Thallium Tl 81 Post-​transition metal the Greek thallos, 'green twig' 13 6 204.38 11.85 577.00 1746.00 0.13 1.62 0.85
Hassium Hs 108 Transition metal Hesse, Germany, where the element was first synthesized 8 7 -40.70 0.00
Bohrium Bh 107 Transition metal Niels Bohr, physicist 7 7 -37.10 0.00
Seaborgium Sg 106 Transition metal Glenn T. Seaborg, scientist 6 7 -35.00 0.00
Dubnium Db 105 Transition metal Dubna, Russia 5 7 -29.30 0.00
Actinium Ac 89 Actinide the Greek aktis, 'ray' 3 7 10.07 1323.00 3471.00 0.12 1.10 0.00
Californium Cf 98 Actinide California, where the element was first synthesized 7 15.10 1173.00 -1743.00 1.30 0.00
Nobelium No 102 Actinide Alfred Nobel, chemist, engineer, inventor of dynamite 7 -9.90 -1100.00 1.30 0.00