ChemicalElements

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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
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
Tennessine Ts 117 Unknown chemical properties Tennessee, United States 17 7 -7.20 -723.00 -883.00 0.00
Americium Am 95 Actinide The Americas, as the element was first synthesized on the continent, by analogy with europium 7 13.69 1449.00 2880.00 1.13 0.00
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
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
Actinium Ac 89 Actinide the Greek aktis, 'ray' 3 7 10.07 1323.00 3471.00 0.12 1.10 0.00
Argon Ar 18 Noble gas the Greek argos, 'idle' 18 3 39.95 0.00 0.00 83.80 87.30 0.52 3.50
Astatine At 85 Metalloid the Greek astatos, 'unstable' 17 6 7.00 575.00 610.00 2.20 0.00
Barium Ba 56 Alkaline earth metal the Greek barys, 'heavy' 2 6 137.33 0.01 3.59 1000.00 2170.00 0.20 0.89 425.00