ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
Protactinium Pa 91 Actinide the Greek protos, 'first', and actinium, which is produced through the radioactive decay of protactinium 7 231.04 0.00 15.37 1841.00 4300.00 1.50 0.00
Palladium Pd 46 Transition metal the then recently discovered asteroid Pallas, considered a planet at the time 10 5 106.42 0.01 12.02 1828.05 3236.00 0.24 2.20 0.02
Thulium Tm 69 Lan­thanide Thule, the ancient name for Scandinavia 6 168.93 0.00 9.32 1818.00 2223.00 0.16 1.25 0.52
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
Iron Fe 26 Transition metal English word (ferrum in Latin) 8 4 55.85 0.00 7.87 1811.00 3134.00 0.45 1.83 56300.00
Erbium Er 68 Lan­thanide Ytterby, Sweden 6 167.26 0.00 9.07 1802.00 3141.00 0.17 1.24 3.50
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
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
Holmium Ho 67 Lan­thanide Holmia, the New Latin name for Stockholm 6 164.93 0.00 8.80 1734.00 2993.00 0.17 1.23 1.30
Nickel Ni 28 Transition metal from a mischievous sprite of German miner mythology, Nickel 10 4 58.69 0.00 8.91 1728.00 3186.00 0.44 1.91 84.00