ChemicalElements

Create new

Search in text fields: | Items per page

Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
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
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
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
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
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
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
Praseodymium Pr 59 Lan­thanide the Greek praseios didymos meaning 'green twin' 6 140.91 0.00 6.77 1208.00 3793.00 0.19 1.13 9.20
Samarium Sm 62 Lan­thanide Samarskite, the name of the mineral from which it was first isolated 6 150.36 0.02 7.52 1345.00 2067.00 0.20 1.17 7.05