ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
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
Neon Ne 10 Noble gas the Greek neos, meaning 'new' 18 2 20.18 0.00 0.00 24.56 27.07 1.03 0.01
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
Sodium Na 11 Alkali metal the English word soda (natrium in Latin) 1 3 22.99 0.00 0.97 370.87 1156.00 1.23 0.93 23600.00
Beryllium Be 4 Alkaline earth metal beryl, a mineral 2 2 9.01 0.00 1.85 1560.00 2742.00 1.83 1.57 2.80
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
Helium He 2 Noble gas the Greek helios, 'sun' 18 1 4.00 0.00 0.00 4.22 5.19 0.01
Hydrogen H 1 Reactive nonmetal composed of the Greek elements hydro- and -gen meaning 'water-forming' 1 1 1.01 0.00 0.00 14.01 20.28 14.30 2.20 1400.00