ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
Thorium Th 90 Actinide Thor, the Scandinavian god of thunder 7 232.04 0.00 11.72 2115.00 5061.00 0.11 1.30 9.60
Boron B 5 Metalloid borax, a mineral 13 2 10.81 0.00 2.34 2349.00 4200.00 1.03 2.04 10.00
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
Gallium Ga 31 Post-​transition metal Gallia, the Latin name for France 13 4 69.72 0.00 5.91 302.91 2673.00 0.37 1.81 19.00
Nitrogen N 7 Reactive nonmetal the Greek nitron and '-gen' meaning 'niter-forming' 15 2 14.01 0.00 0.00 63.15 77.36 1.04 3.04 19.00
Niobium Nb 41 Transition metal Niobe, daughter of king Tantalus from Greek mythology 5 5 92.91 0.00 8.57 2750.00 5017.00 0.27 1.60 20.00
Lithium Li 3 Alkali metal the Greek lithos, 'stone' 1 2 6.94 0.00 0.53 453.69 1560.00 3.58 0.98 20.00
Scandium Sc 21 Transition metal Scandia, the Latin name for Scandinavia 3 4 44.96 0.00 2.99 1814.00 3109.00 0.57 1.36 22.00
Cobalt Co 27 Transition metal the German word Kobold, 'goblin' 9 4 58.93 0.00 8.86 1768.00 3200.00 0.42 1.88 25.00
Yttrium Y 39 Transition metal Ytterby, Sweden 3 5 88.91 0.00 4.47 1799.00 3609.00 0.30 1.22 33.00