ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
Copper Cu 29 Transition metal English word (Latin cuprum) 11 4 63.55 0.00 8.96 1357.77 2835.00 0.39 1.90 60.00
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
Rubidium Rb 37 Alkali metal the Latin rubidus, 'deep red' 1 5 85.47 0.00 1.53 312.46 961.00 0.36 0.82 90.00
Arsenic As 33 Metalloid English word (Latin arsenicum) 15 4 74.92 0.00 5.78 1090.00 887.00 0.33 2.18 1.80
Selenium Se 34 Reactive nonmetal the Greek selene, 'moon' 16 4 78.97 0.01 4.81 453.00 958.00 0.32 2.55 0.05
Germanium Ge 32 Metalloid Germania, the Latin name for Germany 14 4 72.63 0.01 5.32 1211.40 3106.00 0.32 2.01 1.50
Strontium Sr 38 Alkaline earth metal Strontian, a small town in Scotland 2 5 87.62 0.01 2.64 1050.00 1655.00 0.30 0.95 370.00
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
Zirconium Zr 40 Transition metal Persian Zargun, 'gold-colored'; German Zirkoon, 'jargoon' 4 5 91.22 0.00 6.51 2128.00 4682.00 0.28 1.33 165.00
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