ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
Moscovium Mc 115 Unknown chemical properties Moscow Oblast, Russia, where the element was first synthesized 15 7 -13.50 -700.00 -1400.00 0.00
Livermorium Lv 116 Unknown chemical properties Lawrence Livermore National Laboratory (in Livermore, California) which collaborated with JINR on its synthesis 16 7 -12.90 -709.00 -1085.00 0.00
Lutetium Lu 71 Lan­thanide Lutetia, the Latin name for Paris 6 174.97 0.00 9.84 1925.00 3675.00 0.15 1.27 0.80
Lawrencium Lr 103 Actinide Ernest O. Lawrence, physicist 7 -15.60 -1900.00 1.30 0.00
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
Lanthanum La 57 Lan­thanide the Greek lanthanein, 'to lie hidden' 3 6 138.91 0.00 6.15 1193.00 3737.00 0.20 1.10 39.00
Krypton Kr 36 Noble gas the Greek kryptos, 'hidden' 18 4 83.80 0.00 0.00 115.79 119.93 0.25 3.00 0.00
Potassium K 19 Alkali metal New Latin potassa, 'potash' (kalium in Latin) 1 4 39.10 0.00 0.86 336.53 1032.00 0.76 0.82 20900.00
Iridium Ir 77 Transition metal Iris, the Greek goddess of the rainbow 9 6 192.22 0.00 22.56 2719.00 4701.00 0.13 2.20 0.00
Indium In 49 Post-​transition metal indigo 13 5 114.82 0.00 7.31 429.75 2345.00 0.23 1.78 0.25