ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
Nihonium Nh 113 Unknown chemical properties the Japanese name for Japan, Nihon, where the element was first synthesized 13 7 -16.00 -700.00 -1400.00 0.00
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
Neptunium Np 93 Actinide Neptune, the eighth planet in the Solar System 7 20.45 917.00 4273.00 1.36 0.00
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
Neodymium Nd 60 Lan­thanide the Greek neos didymos meaning 'new twin' 6 144.24 0.00 7.01 1297.00 3347.00 0.19 1.14 41.50
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
Molybdenum Mo 42 Transition metal the Greek molybdos meaning 'lead' 6 5 95.95 0.01 10.22 2896.00 4912.00 0.25 2.16 1.20
Mercury Hg 80 Post-​transition metal the New Latin name mercurius, named after the Roman god (Hg from former name hydrargyrum, from Greek hydr-, 'water', and argyros, 'silver') 12 6 200.59 0.00 13.53 234.43 629.88 0.14 2.00 0.09
Mendelevium Md 101 Actinide Dmitri Mendeleev, chemist and inventor 7 -10.30 -1100.00 1.30 0.00
Meitnerium Mt 109 Unknown chemical properties Lise Meitner, physicist 9 7 -37.40 0.00