ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
Radium Ra 88 Alkaline earth metal the Latin radius, 'ray' 2 7 5.50 973.00 2010.00 0.09 0.90 0.00
Francium Fr 87 Alkali metal Francia, the New Latin name for France 1 7 1.87 300.00 950.00 0.70 0.00
Radon Rn 86 Noble gas From radium, as it was first detected as an emission from radium during radioactive decay 18 6 0.01 202.00 211.30 0.09 2.20 0.00
Astatine At 85 Metalloid the Greek astatos, 'unstable' 17 6 7.00 575.00 610.00 2.20 0.00
Polonium Po 84 Post-​transition metal Named after the home country of Marie Curie (Polonia, Latin for Poland), who is also the discoverer of Radium 16 6 9.32 527.00 1235.00 2.00 0.00
Bismuth Bi 83 Post-​transition metal Uncertain, possibly Arabic or German 15 6 208.98 0.00 9.81 544.70 1837.00 0.12 2.02 0.01
Lead Pb 82 Post-​transition metal English word (plumbum in Latin) 14 6 207.20 0.10 11.34 600.61 2022.00 0.13 1.87 14.00
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
Mercury Hg 80 Post-​transition metal the New Latin name mercurius, named after the Roman god (Hg from former name hydrargyrum, from Greek hydr-, 'water', and argyros, 'silver') 12 6 200.59 0.00 13.53 234.43 629.88 0.14 2.00 0.09
Gold Au 79 Transition metal English word (aurum in Latin) 11 6 196.97 0.00 19.28 1337.33 3129.00 0.13 2.54 0.00