
element_data = {
    "H": {
        "AtomicNumber": 1,
        "MolarMass": 1.008,
        "Valency": 1,
        "Name": "Hydrogen",
        "Electronegativity": 2.20
    },
    "He": {
        "AtomicNumber": 2,
        "MolarMass": 4.0026,
        "Valency": 0,
        "Name": "Helium",
        "Electronegativity": None
    },
    "Li": {
        "AtomicNumber": 3,
        "MolarMass": 6.94,
        "Valency": 1,
        "Name": "Lithium",
        "Electronegativity": 0.98
    },
    "Be": {
        "AtomicNumber": 4,
        "MolarMass": 9.0122,
        "Valency": 2,
        "Name": "Beryllium",
        "Electronegativity": 1.57
    },
    "B": {
        "AtomicNumber": 5,
        "MolarMass": 10.81,
        "Valency": 3,
        "Name": "Boron",
        "Electronegativity": 2.04
    },
    "C": {
        "AtomicNumber": 6,
        "MolarMass": 12.011,
        "Valency": 4,
        "Name": "Carbon",
        "Electronegativity": 2.55
    },
    "N": {
        "AtomicNumber": 7,
        "MolarMass": 14.007,
        "Valency": 3,
        "Name": "Nitrogen",
        "Electronegativity": 3.04
    },
    "O": {
        "AtomicNumber": 8,
        "MolarMass": 15.999,
        "Valency": 2,
        "Name": "Oxygen",
        "Electronegativity": 3.44
    },
    "F": {
        "AtomicNumber": 9,
        "MolarMass": 18.998,
        "Valency": 1,
        "Name": "Fluorine",
        "Electronegativity": 3.98
    },
    "Ne": {
        "AtomicNumber": 10,
        "MolarMass": 20.180,
        "Valency": 0,
        "Name": "Neon",
        "Electronegativity": None
    },
    "Na": {
        "AtomicNumber": 11,
        "MolarMass": 22.990,
        "Valency": 1,
        "Name": "Sodium",
        "Electronegativity": 0.93
    },
    "Mg": {
        "AtomicNumber": 12,
        "MolarMass": 24.305,
        "Valency": 2,
        "Name": "Magnesium",
        "Electronegativity": 1.31
    },
    "Al": {
        "AtomicNumber": 13,
        "MolarMass": 26.982,
        "Valency": 3,
        "Name": "Aluminum",
        "Electronegativity": 1.61
    },
    "Si": {
        "AtomicNumber": 14,
        "MolarMass": 28.085,
        "Valency": 4,
        "Name": "Silicon",
        "Electronegativity": 1.90
    },
    "P": {
        "AtomicNumber": 15,
        "MolarMass": 30.974,
        "Valency": 3,
        "Name": "Phosphorus",
        "Electronegativity": 2.19
    },
    "S": {
        "AtomicNumber": 16,
        "MolarMass": 32.06,
        "Valency": 2,
        "Name": "Sulfur",
        "Electronegativity": 2.58
    },
    "Cl": {
        "AtomicNumber": 17,
        "MolarMass": 35.453,
        "Valency": 1,
        "Name": "Chlorine",
        "Electronegativity": 3.16
    },
    "Ar": {
        "AtomicNumber": 18,
        "MolarMass": 39.948,
        "Valency": 0,
        "Name": "Argon",
        "Electronegativity": None
    },
    "K": {
        "AtomicNumber": 19,
        "MolarMass": 39.098,
        "Valency": 1,
        "Name": "Potassium",
        "Electronegativity": 0.82
    },
    "Ca": {
        "AtomicNumber": 20,
        "MolarMass": 40.078,
        "Valency": 2,
        "Name": "Calcium",
        "Electronegativity": 1.00
    },
    "Sc": {
        "AtomicNumber": 21,
        "MolarMass": 44.956,
        "Valency": 3,
        "Name": "Scandium",
        "Electronegativity": 1.36
    },
    "Ti": {
        "AtomicNumber": 22,
        "MolarMass": 47.867,
        "Valency": 4,
        "Name": "Titanium",
        "Electronegativity": 1.54
    },
    "V": {
        "AtomicNumber": 23,
        "MolarMass": 50.942,
        "Valency": 5,
        "Name": "Vanadium",
        "Electronegativity": 1.63
    },
    "Cr": {
        "AtomicNumber": 24,
        "MolarMass": 51.996,
        "Valency": 6,
        "Name": "Chromium",
        "Electronegativity": 1.66
    },
    "Mn": {
        "AtomicNumber": 25,
        "MolarMass": 54.938,
        "Valency": 7,
        "Name": "Manganese",
        "Electronegativity": 1.55
    },
    "Fe": {
        "AtomicNumber": 26,
        "MolarMass": 55.845,
        "Valency": 2,
        "Name": "Iron",
        "Electronegativity": 1.83
    },
    "Co": {
        "AtomicNumber": 27,
        "MolarMass": 58.933,
        "Valency": 2,
        "Name": "Cobalt",
        "Electronegativity": 1.88
    },
    "Ni": {
        "AtomicNumber": 28,
        "MolarMass": 58.693,
        "Valency": 2,
        "Name": "Nickel",
        "Electronegativity": 1.91
    },
    "Cu": {
        "AtomicNumber": 29,
        "MolarMass": 63.546,
        "Valency": 1,
        "Name": "Copper",
        "Electronegativity": 1.90
    },
    "Zn": {
        "AtomicNumber": 30,
        "MolarMass": 65.38,
        "Valency": 2,
        "Name": "Zinc",
        "Electronegativity": 1.65
    },
    "Ga": {
        "AtomicNumber": 31,
        "MolarMass": 69.723,
        "Valency": 3,
        "Name": "Gallium",
        "Electronegativity": 1.81
    },
    "Ge": {
        "AtomicNumber": 32,
        "MolarMass": 72.630,
        "Valency": 4,
        "Name": "Germanium",
        "Electronegativity": 2.01
    },
    "As": {
        "AtomicNumber": 33,
        "MolarMass": 74.922,
        "Valency": 3,
        "Name": "Arsenic",
        "Electronegativity": 2.18
    },
    "Se": {
        "AtomicNumber": 34,
        "MolarMass": 78.971,
        "Valency": 2,
        "Name": "Selenium",
        "Electronegativity": 2.55
    },
    "Br": {
        "AtomicNumber": 35,
        "MolarMass": 79.904,
        "Valency": 1,
        "Name": "Bromine",
        "Electronegativity": 2.96
    },
    "Kr": {
        "AtomicNumber": 36,
        "MolarMass": 83.798,
        "Valency": 0,
        "Name": "Krypton",
        "Electronegativity": None
    },
    "Rb": {
        "AtomicNumber": 37,
        "MolarMass": 85.468,
        "Valency": 1,
        "Name": "Rubidium",
        "Electronegativity": 0.82
    },
    "Sr": {
        "AtomicNumber": 38,
        "MolarMass": 87.62,
        "Valency": 2,
        "Name": "Strontium",
        "Electronegativity": 0.95
    },
    "Y": {
        "AtomicNumber": 39,
        "MolarMass": 88.906,
        "Valency": 3,
        "Name": "Yttrium",
        "Electronegativity": 1.22
    },
    "Zr": {
        "AtomicNumber": 40,
        "MolarMass": 91.224,
        "Valency": 4,
        "Name": "Zirconium",
        "Electronegativity": 1.33
    },
    "Nb": {
        "AtomicNumber": 41,
        "MolarMass": 92.906,
        "Valency": 5,
        "Name": "Niobium",
        "Electronegativity": 1.6
    },
    "Mo": {
        "AtomicNumber": 42,
        "MolarMass": 95.951,
        "Valency": 6,
        "Name": "Molybdenum",
        "Electronegativity": 2.16
    },
    "Tc": {
        "AtomicNumber": 43,
        "MolarMass": 98.000,
        "Valency": 7,
        "Name": "Technetium",
        "Electronegativity": 1.9
    },
    "Ru": {
        "AtomicNumber": 44,
        "MolarMass": 101.07,
        "Valency": 8,
        "Name": "Ruthenium",
        "Electronegativity": 2.2
    },
    "Rh": {
        "AtomicNumber": 45,
        "MolarMass": 102.91,
        "Valency": 3,
        "Name": "Rhodium",
        "Electronegativity": 2.28
    },
    "Pd": {
        "AtomicNumber": 46,
        "MolarMass": 106.42,
        "Valency": 2,
        "Name": "Palladium",
        "Electronegativity": 2.2
    },
    "Ag": {
        "AtomicNumber": 47,
        "MolarMass": 107.87,
        "Valency": 1,
        "Name": "Silver",
        "Electronegativity": 1.93
    },
    "Cd": {
        "AtomicNumber": 48,
        "MolarMass": 112.41,
        "Valency": 2,
        "Name": "Cadmium",
        "Electronegativity": 1.69
    },
    "In": {
        "AtomicNumber": 49,
        "MolarMass": 114.82,
        "Valency": 3,
        "Name": "Indium",
        "Electronegativity": 1.78
    },
    "Sn": {
        "AtomicNumber": 50,
        "MolarMass": 118.71,
        "Valency": 4,
        "Name": "Tin",
        "Electronegativity": 1.96
    },
    "Sb": {
        "AtomicNumber": 51,
        "MolarMass": 121.76,
        "Valency": 3,
        "Name": "Antimony",
        "Electronegativity": 2.05
    },
    "Te": {
        "AtomicNumber": 52,
        "MolarMass": 127.60,
        "Valency": 2,
        "Name": "Tellurium",
        "Electronegativity": 2.1
    },
    "I": {
        "AtomicNumber": 53,
        "MolarMass": 126.90,
        "Valency": 1,
        "Name": "Iodine",
        "Electronegativity": 2.66
    },
    "Xe": {
        "AtomicNumber": 54,
        "MolarMass": 131.29,
        "Valency": 0,
        "Name": "Xenon",
        "Electronegativity": 2.6
    },
    "Cs": {
        "AtomicNumber": 55,
        "MolarMass": 132.91,
        "Valency": 1,
        "Name": "Cesium",
        "Electronegativity": 0.79
    },
    "Ba": {
        "AtomicNumber": 56,
        "MolarMass": 137.33,
        "Valency": 2,
        "Name": "Barium",
        "Electronegativity": 0.89
    },
    "La": {
        "AtomicNumber": 57,
        "MolarMass": 138.91,
        "Valency": 3,
        "Name": "Lanthanum",
        "Electronegativity": 1.10
    },
    "Ce": {
        "AtomicNumber": 58,
        "MolarMass": 140.12,
        "Valency": 3,
        "Name": "Cerium",
        "Electronegativity": 1.12
    },
    "Pr": {
        "AtomicNumber": 59,
        "MolarMass": 140.91,
        "Valency": 3,
        "Name": "Praseodymium",
        "Electronegativity": 1.13
    },
    "Nd": {
        "AtomicNumber": 60,
        "MolarMass": 144.24,
        "Valency": 3,
        "Name": "Neodymium",
        "Electronegativity": 1.14
    },
    "Pm": {
        "AtomicNumber": 61,
        "MolarMass": 145.00,
        "Valency": 3,
        "Name": "Promethium",
        "Electronegativity": 1.13
    },
    "Sm": {
        "AtomicNumber": 62,
        "MolarMass": 150.36,
        "Valency": 3,
        "Name": "Samarium",
        "Electronegativity": 1.17
    },
    "Eu": {
        "AtomicNumber": 63,
        "MolarMass": 152.00,
        "Valency": 3,
        "Name": "Europium",
        "Electronegativity": 1.2
    },
    "Gd": {
        "AtomicNumber": 64,
        "MolarMass": 157.25,
        "Valency": 3,
        "Name": "Gadolinium",
        "Electronegativity": 1.20
    },
    "Tb": {
        "AtomicNumber": 65,
        "MolarMass": 158.93,
        "Valency": 3,
        "Name": "Terbium",
        "Electronegativity": 1.20
    },
    "Dy": {
        "AtomicNumber": 66,
        "MolarMass": 162.50,
        "Valency": 3,
        "Name": "Dysprosium",
        "Electronegativity": 1.22
    },
    "Ho": {
        "AtomicNumber": 67,
        "MolarMass": 164.93,
        "Valency": 3,
        "Name": "Holmium",
        "Electronegativity": 1.23
    },
    "Er": {
        "AtomicNumber": 68,
        "MolarMass": 167.26,
        "Valency": 3,
        "Name": "Erbium",
        "Electronegativity": 1.24
    },
    "Tm": {
        "AtomicNumber": 69,
        "MolarMass": 168.93,
        "Valency": 3,
        "Name": "Thulium",
        "Electronegativity": 1.25
    },
    "Yb": {
        "AtomicNumber": 70,
        "MolarMass": 173.05,
        "Valency": 3,
        "Name": "Ytterbium",
        "Electronegativity": 1.1
    },
    "Lu": {
        "AtomicNumber": 71,
        "MolarMass": 175.00,
        "Valency": 3,
        "Name": "Lutetium",
        "Electronegativity": 1.27
    },
    "Hf": {
        "AtomicNumber": 72,
        "MolarMass": 178.49,
        "Valency": 4,
        "Name": "Hafnium",
        "Electronegativity": 1.3
    },
    "Ta": {
        "AtomicNumber": 73,
        "MolarMass": 180.95,
        "Valency": 5,
        "Name": "Tantalum",
        "Electronegativity": 1.5
    },
    "W": {
        "AtomicNumber": 74,
        "MolarMass": 183.84,
        "Valency": 6,
        "Name": "Tungsten",
        "Electronegativity": 2.36
    },
    "Re": {
        "AtomicNumber": 75,
        "MolarMass": 186.21,
        "Valency": 7,
        "Name": "Rhenium",
        "Electronegativity": 1.9
    },
    "Os": {
        "AtomicNumber": 76,
        "MolarMass": 190.23,
        "Valency": 8,
        "Name": "Osmium",
        "Electronegativity": 2.2
    },
    "Ir": {
        "AtomicNumber": 77,
        "MolarMass": 192.22,
        "Valency": 3,
        "Name": "Iridium",
        "Electronegativity": 2.20
    },
    "Pt": {
        "AtomicNumber": 78,
        "MolarMass": 195.08,
        "Valency": 2,
        "Name": "Platinum",
        "Electronegativity": 2.28
    },
    "Au": {
        "AtomicNumber": 79,
        "MolarMass": 196.97,
        "Valency": 1,
        "Name": "Gold",
        "Electronegativity": 2.54
    },
    "Hg": {
        "AtomicNumber": 80,
        "MolarMass": 200.59,
        "Valency": 2,
        "Name": "Mercury",
        "Electronegativity": 2.00
    },
    "Tl": {
        "AtomicNumber": 81,
        "MolarMass": 204.38,
        "Valency": 1,
        "Name": "Thallium",
        "Electronegativity": 1.62
    },
    "Pb": {
        "AtomicNumber": 82,
        "MolarMass": 207.2,
        "Valency": 2,
        "Name": "Lead",
        "Electronegativity": 2.33
    },
    "Bi": {
        "AtomicNumber": 83,
        "MolarMass": 208.98,
        "Valency": 3,
        "Name": "Bismuth",
        "Electronegativity": 2.02
    },
    "Po": {
        "AtomicNumber": 84,
        "MolarMass": 209.98,
        "Valency": 4,
        "Name": "Polonium",
        "Electronegativity": 2.0
    },
    "At": {
        "AtomicNumber": 85,
        "MolarMass": 210.00,
        "Valency": 1,
        "Name": "Astatine",
        "Electronegativity": 2.2
    },
    "Rn": {
        "AtomicNumber": 86,
        "MolarMass": 222.00,
        "Valency": 0,
        "Name": "Radon",
        "Electronegativity": None
    },
    "Fr": {
        "AtomicNumber": 87,
        "MolarMass": 223.00,
        "Valency": 1,
        "Name": "Francium",
        "Electronegativity": 0.7
    },
    "Ra": {
        "AtomicNumber": 88,
        "MolarMass": 226.00,
        "Valency": 2,
        "Name": "Radium",
        "Electronegativity": 0.89
    },
    "Ac": {
        "AtomicNumber": 89,
        "MolarMass": 227.00,
        "Valency": 3,
        "Name": "Actinium",
        "Electronegativity": 1.1
    },
    "Th": {
        "AtomicNumber": 90,
        "MolarMass": 232.04,
        "Valency": 4,
        "Name": "Thorium",
        "Electronegativity": 1.3
    },
    "Pa": {
        "AtomicNumber": 91,
        "MolarMass": 231.04,
        "Valency": 5,
        "Name": "Protactinium",
        "Electronegativity": 1.5
    },
    "U": {
        "AtomicNumber": 92,
        "MolarMass": 238.03,
        "Valency": 6,
        "Name": "Uranium",
        "Electronegativity": 1.38
    },
    "Np": {
        "AtomicNumber": 93,
        "MolarMass": 237.00,
        "Valency": 7,
        "Name": "Neptunium",
        "Electronegativity": 1.36
    },
    "Pu": {
        "AtomicNumber": 94,
        "MolarMass": 244.00,
        "Valency": 8,
        "Name": "Plutonium",
        "Electronegativity": 1.28
    },
    "Am": {
        "AtomicNumber": 95,
        "MolarMass": 243.00,
        "Valency": 6,
        "Name": "Americium",
        "Electronegativity": 1.3
    },
    "Cm": {
        "AtomicNumber": 96,
        "MolarMass": 247.00,
        "Valency": 6,
        "Name": "Curium",
        "Electronegativity": 1.3
    },
    "Bk": {
        "AtomicNumber": 97,
        "MolarMass": 247.00,
        "Valency": 6,
        "Name": "Berkelium",
        "Electronegativity": 1.3
    },
    "Cf": {
        "AtomicNumber": 98,
        "MolarMass": 251.00,
        "Valency": 6,
        "Name": "Californium",
        "Electronegativity": 1.3
    },
    "Es": {
        "AtomicNumber": 99,
        "MolarMass": 252.00,
        "Valency": 6,
        "Name": "Einsteinium",
        "Electronegativity": 1.3
    },
    "Fm": {
        "AtomicNumber": 100,
        "MolarMass": 257.00,
        "Valency": 6,
        "Name": "Fermium",
        "Electronegativity": 1.3
    },
    "Md": {
        "AtomicNumber": 101,
        "MolarMass": 258.00,
        "Valency": 6,
        "Name": "Mendelevium",
        "Electronegativity": 1.3
    },
    "No": {
        "AtomicNumber": 102,
        "MolarMass": 259.00,
        "Valency": 6,
        "Name": "Nobelium",
        "Electronegativity": 1.3
    },
    "Lr": {
        "AtomicNumber": 103,
        "MolarMass": 262.00,
        "Valency": 6,
        "Name": "Lawrencium",
        "Electronegativity": 1.3
    },
    "Rf": {
        "AtomicNumber": 104,
        "MolarMass": 267.00,
        "Valency": 4,
        "Name": "Rutherfordium",
        "Electronegativity": None
    },
    "Db": {
        "AtomicNumber": 105,
        "MolarMass": 270.00,
        "Valency": 5,
        "Name": "Dubnium",
        "Electronegativity": None
    },
    "Sg": {
        "AtomicNumber": 106,
        "MolarMass": 269.00,
        "Valency": 6,
        "Name": "Seaborgium",
        "Electronegativity": None
    },
    "Bh": {
        "AtomicNumber": 107,
        "MolarMass": 270.00,
        "Valency": 7,
        "Name": "Bohrium",
        "Electronegativity": None
    },
    "Hs": {
        "AtomicNumber": 108,
        "MolarMass": 277.00,
        "Valency": 8,
        "Name": "Hassium",
        "Electronegativity": None
    },
    "Mt": {
        "AtomicNumber": 109,
        "MolarMass": 278.00,
        "Valency": 9,
        "Name": "Meitnerium",
        "Electronegativity": None
    },
    "Ds": {
        "AtomicNumber": 110,
        "MolarMass": 281.00,
        "Valency": 10,
        "Name": "Darmstadtium",
        "Electronegativity": None
    },
    "Rg": {
        "AtomicNumber": 111,
        "MolarMass": 281.00,
        "Valency": 11,
        "Name": "Roentgenium",
        "Electronegativity": None
    },
    "Cn": {
        "AtomicNumber": 112,
        "MolarMass": 285.00,
        "Valency": 12,
        "Name": "Copernicium",
        "Electronegativity": None
    },
    "Nh": {
        "AtomicNumber": 113,
        "MolarMass": None,
        "Valency": 13,
        "Name": "Nihonium",
        "Electronegativity": None
    },
    "Fl": {
        "AtomicNumber": 114,
        "MolarMass": None,
        "Valency": 14,
        "Name": "Flerovium",
        "Electronegativity": None
    },
    "Mc": {
        "AtomicNumber": 115,
        "MolarMass": None,
        "Valency": 15,
        "Name": "Moscovium",
        "Electronegativity": None
    },
    "Lv": {
        "AtomicNumber": 116,
        "MolarMass": None,
        "Valency": 16,
        "Name": "Livermorium",
        "Electronegativity": None
    },
    "Ts": {
        "AtomicNumber": 117,
        "MolarMass": None,
        "Valency": 17,
        "Name": "Tennessine",
        "Electronegativity": None
    },
    "Og": {
        "AtomicNumber": 118,
        "MolarMass": None,
        "Valency": 18,
        "Name": "Oganesson",
        "Electronegativity": None
    }
}