ChemicalElements

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Element Symbol AtomicNumber ChemicalPropertyId OriginOfName Group Period AtomicWeight AtomicWeightUncertainty Density MeltingPoint BoilingPoint HeatCapacity Electronegativity AbundanceInEarthsCrust
Lead Pb 82 Post-​transition metal English word (plumbum in Latin) 14 6 207.20 0.10 11.34 600.61 2022.00 0.13 1.87 14.00
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
Phosphorus P 15 Reactive nonmetal the Greek phoosphoros, 'carrying light' 15 3 30.97 0.00 1.82 317.30 550.00 0.77 2.19 1050.00
Osmium Os 76 Transition metal the Greek osmè, meaning 'smell' 8 6 190.23 0.03 22.61 3306.00 5285.00 0.13 2.20 0.00
Oganesson Og 118 Unknown chemical properties Yuri Oganessian, physicist 18 7 -5.00 -350.00 0.00
Oxygen O 8 Reactive nonmetal from the Greek oxy-, both 'sharp' and 'acid', and -gen, meaning 'acid-forming' 16 2 16.00 0.00 0.00 54.36 90.20 0.92 3.44 461000.00
Neptunium Np 93 Actinide Neptune, the eighth planet in the Solar System 7 20.45 917.00 4273.00 1.36 0.00
Nobelium No 102 Actinide Alfred Nobel, chemist, engineer, inventor of dynamite 7 -9.90 -1100.00 1.30 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
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