C# Code Snippets & Examples: PeriodicTable Element Class

(snip for my future reference)

public PeriodicTable()
    {
        Elements = new List();
        Elements.Add(new Element(1,     "H",    "Hydrogen",     1.007825M ));
        Elements.Add(new Element(2,     "He",   "Helium",       4.00260M  ));
        Elements.Add(new Element(3,     "Li",   "Lithium",      6.941M    ));
        Elements.Add(new Element(4,     "Be",   "Beryllium",    9.01218M  ));
        Elements.Add(new Element(5,     "B",    "Boron",        10.81M    ));
        Elements.Add(new Element(6,     "C",    "Carbon",       12.011M   ));
        Elements.Add(new Element(7,     "N",    "Nitrogen",     14.0067M  ));
        Elements.Add(new Element(8,     "O",    "Oxygen",       15.999M   ));
        Elements.Add(new Element(9,     "F",    "Fluorine",     18.99840M ));
        Elements.Add(new Element(10,    "Ne",   "Neon",         20.179M   ));
        Elements.Add(new Element(11,    "Na",   "Sodium",       22.98977M ));
        Elements.Add(new Element(12,    "Mg",   "Magnesium",    24.305M   ));
        Elements.Add(new Element(13,    "Al",   "Aluminum",     26.98154M ));
        Elements.Add(new Element(14,    "Si",   "Silicon",      28.0855M  ));
        Elements.Add(new Element(15,    "P",    "Phosphorus",   0.0M      ));
        Elements.Add(new Element(16,    "S",    "Sulphur",      32.06M    ));
        Elements.Add(new Element(17,    "Cl",   "Chlorine",     35.453M   ));
        Elements.Add(new Element(18,    "Ar",   "Argon",        39.948M   ));
        Elements.Add(new Element(19,    "K",    "Potassium",    39.0983M  ));
        Elements.Add(new Element(20,    "Ca",   "Calcium",      40.08M    ));
        Elements.Add(new Element(21,    "Sc",   "Scandium",     44.9559M  ));
        Elements.Add(new Element(22,    "Ti",   "Titanium",     47.90M    ));
        Elements.Add(new Element(23,    "V",    "Vanadium",     50.9414M  ));
        Elements.Add(new Element(24,    "Cr",   "Chromium",     51.996M   ));
        Elements.Add(new Element(25,    "Mn",   "Manganese",    54.9380M  ));
        Elements.Add(new Element(26,    "Fe",   "Iron",         55.85M    ));
        Elements.Add(new Element(27,    "Co",   "Cobalt",       58.9332M  ));
        Elements.Add(new Element(28,    "Ni",   "Nickel",       58.71M    ));
        Elements.Add(new Element(29,    "Cu",   "Copper",       63.546M   ));
        Elements.Add(new Element(30,    "Zn",   "Zinc",         65.37M    ));
        Elements.Add(new Element(31,    "Ga",   "Gallium",      69.72M    ));
        Elements.Add(new Element(32,    "Ge",   "Germanium",    72.59M    ));
        Elements.Add(new Element(33,    "As",   "Arsenic",      74.9216M  ));
        Elements.Add(new Element(34,    "Se",   "Selenium",     78.96M    ));
        Elements.Add(new Element(35,    "Br",   "Bromine",      79.904M   ));
        Elements.Add(new Element(36,    "Kr",   "Krypton",      83.80M    ));
        Elements.Add(new Element(37,    "Rb",   "Rubidium",     85.4678M  ));
        Elements.Add(new Element(38,    "Sr",   "Strontium",    87.62M    ));
        Elements.Add(new Element(39,    "Y",    "Yttrium",      88.9059M  ));
        Elements.Add(new Element(40,    "Zr",   "Zirconium",    91.22M    ));
        Elements.Add(new Element(41,    "Nb",   "Niobium",      92.91M    ));
        Elements.Add(new Element(42,    "Mo",   "Molybdenum",   95.94M    ));
        Elements.Add(new Element(43,    "Tc",   "Technetium",   99.0M     ));
        Elements.Add(new Element(44,    "Ru",   "Ruthenium",    101.1M    ));
        Elements.Add(new Element(45,    "Rh",   "Rhodium",      102.91M   ));
        Elements.Add(new Element(46,    "Pd",   "Palladium",    106.42M   ));
        Elements.Add(new Element(47,    "Ag",   "Silver",       107.87M   ));
        Elements.Add(new Element(48,    "Cd",   "Cadmium",      112.4M    ));
        Elements.Add(new Element(49,    "In",   "Indium",       114.82M   ));
        Elements.Add(new Element(50,    "Sn",   "Tin",          118.69M   ));
        Elements.Add(new Element(51,    "Sb",   "Antimony",     121.75M   ));
        Elements.Add(new Element(52,    "Te",   "Tellurium",    127.6M    ));
        Elements.Add(new Element(53,    "I",    "Iodine",       126.9045M ));
        Elements.Add(new Element(54,    "Xe",   "Xenon",        131.29M   ));
        Elements.Add(new Element(55,    "Cs",   "Cesium",       132.9054M ));
        Elements.Add(new Element(56,    "Ba",   "Barium",       137.33M   ));
        Elements.Add(new Element(57,    "La",   "Lanthanum",    138.91M   ));
        Elements.Add(new Element(58,    "Ce",   "Cerium",       140.12M   ));
        Elements.Add(new Element(59,    "Pr",   "Praseodymium", 140.91M   ));
        Elements.Add(new Element(60,    "Nd",   "Neodymium",    0.0M      ));
        Elements.Add(new Element(61,    "Pm",   "Promethium",   147.0M    ));
        Elements.Add(new Element(62,    "Sm",   "Samarium",     150.35M   ));
        Elements.Add(new Element(63,    "Eu",   "Europium",     167.26M   ));
        Elements.Add(new Element(64,    "Gd",   "Gadolinium",   157.25M   ));
        Elements.Add(new Element(65,    "Tb",   "Terbium",      158.925M  ));
        Elements.Add(new Element(66,    "Dy",   "Dysprosium",   162.50M   ));
        Elements.Add(new Element(67,    "Ho",   "Holmium",      164.9M    ));
        Elements.Add(new Element(68,    "Er",   "Erbium",       167.26M   ));
        Elements.Add(new Element(69,    "Tm",   "Thulium",      168.93M   ));
        Elements.Add(new Element(70,    "Yb",   "Ytterbium",    173.04M   ));
        Elements.Add(new Element(71,    "Lu",   "Lutetium",     174.97M   ));
        Elements.Add(new Element(72,    "Hf",   "Hafnium",      178.49M   ));
        Elements.Add(new Element(73,    "Ta",   "Tantalum",     180.95M   ));
        Elements.Add(new Element(74,    "W",    "Tungsten",     183.85M   ));
        Elements.Add(new Element(75,    "Re",   "Rhenium",      186.23M   ));
        Elements.Add(new Element(76,    "Os",   "Osmium",       190.2M    ));
        Elements.Add(new Element(77,    "Ir",   "Iridium",      192.2M    ));
        Elements.Add(new Element(78,    "Pt",   "Platinum",     195.09M   ));
        Elements.Add(new Element(79,    "Au",   "Gold",         196.9655M ));
        Elements.Add(new Element(80,    "Hg",   "Mercury",      200.59M   ));
        Elements.Add(new Element(81,    "Tl",   "Thallium",     204.383M  ));
        Elements.Add(new Element(82,    "Pb",   "Lead",         207.2M    ));
        Elements.Add(new Element(83,    "Bi",   "Bismuth",      208.9804M ));
        Elements.Add(new Element(84,    "Po",   "Polonium",     210.0M    ));
        Elements.Add(new Element(85,    "At",   "Astatine",     210.0M    ));
        Elements.Add(new Element(86,    "Rn",   "Radon",        222.0M    ));
        Elements.Add(new Element(87,    "Fr",   "Francium",     233.0M    ));
        Elements.Add(new Element(88,    "Ra",   "Radium",       226.0254M ));
        Elements.Add(new Element(89,    "Ac",   "Actinium",     227.0M    ));
        Elements.Add(new Element(90,    "Th",   "Thorium",      232.04M   ));
        Elements.Add(new Element(91,    "Pa",   "Protactinium", 231.0359M ));
        Elements.Add(new Element(92,    "U",    "Uranium",      238.03M   ));
        Elements.Add(new Element(93,    "Np",   "Neptunium",    237.0M    ));
        Elements.Add(new Element(94,    "Pu",   "Plutonium",    244.0M    ));
        Elements.Add(new Element(95,    "Am",   "Americium",    243.0M    ));
        Elements.Add(new Element(96,    "Cm",   "Curium",       247.0M    ));
        Elements.Add(new Element(97,    "Bk",   "Berkelium",    247.0M    ));
        Elements.Add(new Element(98,    "Cf",   "Californium",  251.0M    ));
        Elements.Add(new Element(99,    "Es",   "Einsteinium",  254.0M    ));
        Elements.Add(new Element(100,   "Fm",   "Fermium",      257.0M    ));
        Elements.Add(new Element(101,   "Md",   "Mendelevium",  258.0M    ));
        Elements.Add(new Element(102,   "No",   "Nobelium",     259.0M    ));
        Elements.Add(new Element(103,   "Lr",   "Lawrencium",   262.0M    ));
        Elements.Add(new Element(104,   "Rf",   "Rutherfordium",260.9M    ));
        Elements.Add(new Element(105,   "Db",   "Dubnium",      261.9M    ));
        Elements.Add(new Element(106,   "Sg",   "Seaborgium",   262.94M   ));
        Elements.Add(new Element(107,   "Bh",   "Bohrium",      262.0M    ));
        Elements.Add(new Element(108,   "Hs",   "Hassium",      264.8M    ));
        Elements.Add(new Element(109,   "Mt",   "Meitnerium",   265.9M    ));
        Elements.Add(new Element(110,   "Ds",   "Darmstadtium", 261.9M    ));
        Elements.Add(new Element(112,   "Uub",  "Ununbium",     276.8M    ));
        Elements.Add(new Element(114,   "Uuq",  "Ununquadium",  289.0M    ));
        Elements.Add(new Element(116,   "Uuh",  "Ununhexium",   0.0M      ));
    }