ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
Aluminium Al 13 Post-​transition metal from alumina, a compound (originally alumium) 13 3 26.98 0.00 2.70 933.47 2792.00 0.90 1.61 82300.00
Magnesium Mg 12 Alkaline earth metal Magnesia, a district of Eastern Thessaly in Greece 2 3 24.31 0.00 1.74 923.00 1363.00 1.02 1.31 23300.00
Neptunium Np 93 Actinide Neptune, the eighth planet in the Solar System 7 20.45 917.00 4273.00 1.36 0.00
Plutonium Pu 94 Actinide Pluto, a dwarf planet in the Solar System (then considered the ninth planet) 7 19.84 912.50 3501.00 1.28 0.00
Antimony Sb 51 Metalloid uncertain: perhaps from the Greek anti, 'against', and monos, 'alone', or the Old French antimoine, 'Monk's bane' (stibium in Latin) 15 5 121.76 0.00 6.69 903.78 1860.00 0.21 2.05 0.20
Tellurium Te 52 Metalloid Latin tellus, 'earth' 16 5 127.60 0.03 6.23 722.66 1261.00 0.20 2.10 0.00
Zinc Zn 30 Post-​transition metal German word Zinke (prong, tooth) 12 4 65.38 0.02 7.13 692.88 1180.00 0.39 1.65 70.00
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
Cadmium Cd 48 Post-​transition metal the New Latin cadmia, from King Kadmos 12 5 112.41 0.00 8.69 594.22 1040.00 0.23 1.69 0.16
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