atomicWeight.json

{
    "source": "http://www.chemistry.or.jp/activity/atomictable2020.pdf#page=4",
    "H":1.008,
    "He":4.003,
    "Li":6.941,
    "Be":9.012,
    "B":10.81,
    "C":12.01,
    "N":14.01,
    "O":16.00,
    "F":19.00,
    "Ne":20.18,
    "Na":22.99,
    "Mg":24.31,
    "Al":26.98,
    "Si":28.09,
    "P":30.97,
    "S":32.07,
    "Cl":35.45,
    "Ar":39.95,
    "K":39.10,
    "Ca":40.08,
    "Sc":44.96,
    "Ti":47.87,
    "V":50.94,
    "Cr":52.00,
    "Mn":54.94,
    "Fe":55.85,
    "Co":58.93,
    "Ni":58.69,
    "Cu":63.55,
    "Zn":65.38,
    "Ga":69.72,
    "Ge":72.63,
    "As":74.92,
    "Se":78.97,
    "Br":79.90,
    "Kr":83.80,
    "Rb":85.47,
    "Sr":87.62,
    "Y":88.91,
    "Zr":91.22,
    "Nb":92.91,
    "Mo":95.95,
    "Tc":99,
    "Ru":101.1,
    "Rh":102.9,
    "Pd":106.4,
    "Ag":107.9,
    "Cd":112.4,
    "In":114.8,
    "Sn":118.7,
    "Sb":121.8,
    "Te":127.6,
    "I":126.9,
    "Xe":131.3,
    "Cs":132.9,
    "Ba":137.3,
    "La":138.9,
    "Ce":140.1,
    "Pr":140.9,
    "Nd":144.2,
    "Pm":145,
    "Sm":150.4,
    "Eu":152.0,
    "Gd":157.3,
    "Tb":158.9,
    "Dy":162.5,
    "Ho":164.9,
    "Er":167.3,
    "Tm":168.9,
    "Yb":173.0,
    "Lu":175.0,
    "Hf":178.5,
    "Ta":180.9,
    "W":183.8,
    "Re":186.2,
    "Os":190.2,
    "Ir":192.2,
    "Pt":195.1,
    "Au":197.0,
    "Hg":200.6,
    "Tl":204.4,
    "Pb":207.2,
    "Bi":209.0,
    "Po":210,
    "At":210,
    "Rn":222,
    "Fr":223,
    "Ra":226,
    "Ac":227,
    "Th":232.0,
    "Pa":231.0,
    "U":238.0,
    "Np":237,
    "Pu":239,
    "Am":243,
    "Cm":247,
    "Bk":247,
    "Cf":252,
    "Es":252,
    "Fm":257,
    "Md":258,
    "No":259,
    "Lr":262,
    "Rf":267,
    "Db":268,
    "Sg":271,
    "Bh":272,
    "Hs":277,
    "Mt":276,
    "Ds":281,
    "Rg":280,
    "Cn":285,
    "Nh":278,
    "Fl":289,
    "Mc":289,
    "Lv":293,
    "Ts":293,
    "Og":294
}