{
  "api": "elements",
  "title": "Chemical Elements",
  "description": "The 118 elements of the periodic table with symbol, atomic number, mass and category.",
  "emoji": "🧪",
  "license": "GPL-2.0-or-later",
  "count": 118,
  "self": "https://gratisapi.com/api/elements/index",
  "endpoints": {
    "list": "https://gratisapi.com/api/elements/index",
    "item": "https://gratisapi.com/api/elements/{id}"
  },
  "fields": [
    "atomic_mass",
    "atomic_number",
    "category",
    "id",
    "name",
    "symbol"
  ],
  "results": [
    {
      "id": 1,
      "atomic_number": 1,
      "symbol": "H",
      "name": "Hydrogen",
      "atomic_mass": 1.008,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/1"
    },
    {
      "id": 2,
      "atomic_number": 2,
      "symbol": "He",
      "name": "Helium",
      "atomic_mass": 4.0026,
      "category": "Noble gas",
      "url": "https://gratisapi.com/api/elements/2"
    },
    {
      "id": 3,
      "atomic_number": 3,
      "symbol": "Li",
      "name": "Lithium",
      "atomic_mass": 6.94,
      "category": "Alkali metal",
      "url": "https://gratisapi.com/api/elements/3"
    },
    {
      "id": 4,
      "atomic_number": 4,
      "symbol": "Be",
      "name": "Beryllium",
      "atomic_mass": 9.0122,
      "category": "Alkaline earth metal",
      "url": "https://gratisapi.com/api/elements/4"
    },
    {
      "id": 5,
      "atomic_number": 5,
      "symbol": "B",
      "name": "Boron",
      "atomic_mass": 10.81,
      "category": "Metalloid",
      "url": "https://gratisapi.com/api/elements/5"
    },
    {
      "id": 6,
      "atomic_number": 6,
      "symbol": "C",
      "name": "Carbon",
      "atomic_mass": 12.011,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/6"
    },
    {
      "id": 7,
      "atomic_number": 7,
      "symbol": "N",
      "name": "Nitrogen",
      "atomic_mass": 14.007,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/7"
    },
    {
      "id": 8,
      "atomic_number": 8,
      "symbol": "O",
      "name": "Oxygen",
      "atomic_mass": 15.999,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/8"
    },
    {
      "id": 9,
      "atomic_number": 9,
      "symbol": "F",
      "name": "Fluorine",
      "atomic_mass": 18.998,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/9"
    },
    {
      "id": 10,
      "atomic_number": 10,
      "symbol": "Ne",
      "name": "Neon",
      "atomic_mass": 20.18,
      "category": "Noble gas",
      "url": "https://gratisapi.com/api/elements/10"
    },
    {
      "id": 11,
      "atomic_number": 11,
      "symbol": "Na",
      "name": "Sodium",
      "atomic_mass": 22.99,
      "category": "Alkali metal",
      "url": "https://gratisapi.com/api/elements/11"
    },
    {
      "id": 12,
      "atomic_number": 12,
      "symbol": "Mg",
      "name": "Magnesium",
      "atomic_mass": 24.305,
      "category": "Alkaline earth metal",
      "url": "https://gratisapi.com/api/elements/12"
    },
    {
      "id": 13,
      "atomic_number": 13,
      "symbol": "Al",
      "name": "Aluminium",
      "atomic_mass": 26.982,
      "category": "Post-transition metal",
      "url": "https://gratisapi.com/api/elements/13"
    },
    {
      "id": 14,
      "atomic_number": 14,
      "symbol": "Si",
      "name": "Silicon",
      "atomic_mass": 28.085,
      "category": "Metalloid",
      "url": "https://gratisapi.com/api/elements/14"
    },
    {
      "id": 15,
      "atomic_number": 15,
      "symbol": "P",
      "name": "Phosphorus",
      "atomic_mass": 30.974,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/15"
    },
    {
      "id": 16,
      "atomic_number": 16,
      "symbol": "S",
      "name": "Sulfur",
      "atomic_mass": 32.06,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/16"
    },
    {
      "id": 17,
      "atomic_number": 17,
      "symbol": "Cl",
      "name": "Chlorine",
      "atomic_mass": 35.45,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/17"
    },
    {
      "id": 18,
      "atomic_number": 18,
      "symbol": "Ar",
      "name": "Argon",
      "atomic_mass": 39.948,
      "category": "Noble gas",
      "url": "https://gratisapi.com/api/elements/18"
    },
    {
      "id": 19,
      "atomic_number": 19,
      "symbol": "K",
      "name": "Potassium",
      "atomic_mass": 39.098,
      "category": "Alkali metal",
      "url": "https://gratisapi.com/api/elements/19"
    },
    {
      "id": 20,
      "atomic_number": 20,
      "symbol": "Ca",
      "name": "Calcium",
      "atomic_mass": 40.078,
      "category": "Alkaline earth metal",
      "url": "https://gratisapi.com/api/elements/20"
    },
    {
      "id": 21,
      "atomic_number": 21,
      "symbol": "Sc",
      "name": "Scandium",
      "atomic_mass": 44.956,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/21"
    },
    {
      "id": 22,
      "atomic_number": 22,
      "symbol": "Ti",
      "name": "Titanium",
      "atomic_mass": 47.867,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/22"
    },
    {
      "id": 23,
      "atomic_number": 23,
      "symbol": "V",
      "name": "Vanadium",
      "atomic_mass": 50.942,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/23"
    },
    {
      "id": 24,
      "atomic_number": 24,
      "symbol": "Cr",
      "name": "Chromium",
      "atomic_mass": 51.996,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/24"
    },
    {
      "id": 25,
      "atomic_number": 25,
      "symbol": "Mn",
      "name": "Manganese",
      "atomic_mass": 54.938,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/25"
    },
    {
      "id": 26,
      "atomic_number": 26,
      "symbol": "Fe",
      "name": "Iron",
      "atomic_mass": 55.845,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/26"
    },
    {
      "id": 27,
      "atomic_number": 27,
      "symbol": "Co",
      "name": "Cobalt",
      "atomic_mass": 58.933,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/27"
    },
    {
      "id": 28,
      "atomic_number": 28,
      "symbol": "Ni",
      "name": "Nickel",
      "atomic_mass": 58.693,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/28"
    },
    {
      "id": 29,
      "atomic_number": 29,
      "symbol": "Cu",
      "name": "Copper",
      "atomic_mass": 63.546,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/29"
    },
    {
      "id": 30,
      "atomic_number": 30,
      "symbol": "Zn",
      "name": "Zinc",
      "atomic_mass": 65.38,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/30"
    },
    {
      "id": 31,
      "atomic_number": 31,
      "symbol": "Ga",
      "name": "Gallium",
      "atomic_mass": 69.723,
      "category": "Post-transition metal",
      "url": "https://gratisapi.com/api/elements/31"
    },
    {
      "id": 32,
      "atomic_number": 32,
      "symbol": "Ge",
      "name": "Germanium",
      "atomic_mass": 72.63,
      "category": "Metalloid",
      "url": "https://gratisapi.com/api/elements/32"
    },
    {
      "id": 33,
      "atomic_number": 33,
      "symbol": "As",
      "name": "Arsenic",
      "atomic_mass": 74.922,
      "category": "Metalloid",
      "url": "https://gratisapi.com/api/elements/33"
    },
    {
      "id": 34,
      "atomic_number": 34,
      "symbol": "Se",
      "name": "Selenium",
      "atomic_mass": 78.971,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/34"
    },
    {
      "id": 35,
      "atomic_number": 35,
      "symbol": "Br",
      "name": "Bromine",
      "atomic_mass": 79.904,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/35"
    },
    {
      "id": 36,
      "atomic_number": 36,
      "symbol": "Kr",
      "name": "Krypton",
      "atomic_mass": 83.798,
      "category": "Noble gas",
      "url": "https://gratisapi.com/api/elements/36"
    },
    {
      "id": 37,
      "atomic_number": 37,
      "symbol": "Rb",
      "name": "Rubidium",
      "atomic_mass": 85.468,
      "category": "Alkali metal",
      "url": "https://gratisapi.com/api/elements/37"
    },
    {
      "id": 38,
      "atomic_number": 38,
      "symbol": "Sr",
      "name": "Strontium",
      "atomic_mass": 87.62,
      "category": "Alkaline earth metal",
      "url": "https://gratisapi.com/api/elements/38"
    },
    {
      "id": 39,
      "atomic_number": 39,
      "symbol": "Y",
      "name": "Yttrium",
      "atomic_mass": 88.906,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/39"
    },
    {
      "id": 40,
      "atomic_number": 40,
      "symbol": "Zr",
      "name": "Zirconium",
      "atomic_mass": 91.224,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/40"
    },
    {
      "id": 41,
      "atomic_number": 41,
      "symbol": "Nb",
      "name": "Niobium",
      "atomic_mass": 92.906,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/41"
    },
    {
      "id": 42,
      "atomic_number": 42,
      "symbol": "Mo",
      "name": "Molybdenum",
      "atomic_mass": 95.95,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/42"
    },
    {
      "id": 43,
      "atomic_number": 43,
      "symbol": "Tc",
      "name": "Technetium",
      "atomic_mass": 98,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/43"
    },
    {
      "id": 44,
      "atomic_number": 44,
      "symbol": "Ru",
      "name": "Ruthenium",
      "atomic_mass": 101.07,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/44"
    },
    {
      "id": 45,
      "atomic_number": 45,
      "symbol": "Rh",
      "name": "Rhodium",
      "atomic_mass": 102.91,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/45"
    },
    {
      "id": 46,
      "atomic_number": 46,
      "symbol": "Pd",
      "name": "Palladium",
      "atomic_mass": 106.42,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/46"
    },
    {
      "id": 47,
      "atomic_number": 47,
      "symbol": "Ag",
      "name": "Silver",
      "atomic_mass": 107.87,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/47"
    },
    {
      "id": 48,
      "atomic_number": 48,
      "symbol": "Cd",
      "name": "Cadmium",
      "atomic_mass": 112.41,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/48"
    },
    {
      "id": 49,
      "atomic_number": 49,
      "symbol": "In",
      "name": "Indium",
      "atomic_mass": 114.82,
      "category": "Post-transition metal",
      "url": "https://gratisapi.com/api/elements/49"
    },
    {
      "id": 50,
      "atomic_number": 50,
      "symbol": "Sn",
      "name": "Tin",
      "atomic_mass": 118.71,
      "category": "Post-transition metal",
      "url": "https://gratisapi.com/api/elements/50"
    },
    {
      "id": 51,
      "atomic_number": 51,
      "symbol": "Sb",
      "name": "Antimony",
      "atomic_mass": 121.76,
      "category": "Metalloid",
      "url": "https://gratisapi.com/api/elements/51"
    },
    {
      "id": 52,
      "atomic_number": 52,
      "symbol": "Te",
      "name": "Tellurium",
      "atomic_mass": 127.6,
      "category": "Metalloid",
      "url": "https://gratisapi.com/api/elements/52"
    },
    {
      "id": 53,
      "atomic_number": 53,
      "symbol": "I",
      "name": "Iodine",
      "atomic_mass": 126.9,
      "category": "Reactive nonmetal",
      "url": "https://gratisapi.com/api/elements/53"
    },
    {
      "id": 54,
      "atomic_number": 54,
      "symbol": "Xe",
      "name": "Xenon",
      "atomic_mass": 131.29,
      "category": "Noble gas",
      "url": "https://gratisapi.com/api/elements/54"
    },
    {
      "id": 55,
      "atomic_number": 55,
      "symbol": "Cs",
      "name": "Caesium",
      "atomic_mass": 132.91,
      "category": "Alkali metal",
      "url": "https://gratisapi.com/api/elements/55"
    },
    {
      "id": 56,
      "atomic_number": 56,
      "symbol": "Ba",
      "name": "Barium",
      "atomic_mass": 137.33,
      "category": "Alkaline earth metal",
      "url": "https://gratisapi.com/api/elements/56"
    },
    {
      "id": 57,
      "atomic_number": 57,
      "symbol": "La",
      "name": "Lanthanum",
      "atomic_mass": 138.91,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/57"
    },
    {
      "id": 58,
      "atomic_number": 58,
      "symbol": "Ce",
      "name": "Cerium",
      "atomic_mass": 140.12,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/58"
    },
    {
      "id": 59,
      "atomic_number": 59,
      "symbol": "Pr",
      "name": "Praseodymium",
      "atomic_mass": 140.91,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/59"
    },
    {
      "id": 60,
      "atomic_number": 60,
      "symbol": "Nd",
      "name": "Neodymium",
      "atomic_mass": 144.24,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/60"
    },
    {
      "id": 61,
      "atomic_number": 61,
      "symbol": "Pm",
      "name": "Promethium",
      "atomic_mass": 145,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/61"
    },
    {
      "id": 62,
      "atomic_number": 62,
      "symbol": "Sm",
      "name": "Samarium",
      "atomic_mass": 150.36,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/62"
    },
    {
      "id": 63,
      "atomic_number": 63,
      "symbol": "Eu",
      "name": "Europium",
      "atomic_mass": 151.96,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/63"
    },
    {
      "id": 64,
      "atomic_number": 64,
      "symbol": "Gd",
      "name": "Gadolinium",
      "atomic_mass": 157.25,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/64"
    },
    {
      "id": 65,
      "atomic_number": 65,
      "symbol": "Tb",
      "name": "Terbium",
      "atomic_mass": 158.93,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/65"
    },
    {
      "id": 66,
      "atomic_number": 66,
      "symbol": "Dy",
      "name": "Dysprosium",
      "atomic_mass": 162.5,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/66"
    },
    {
      "id": 67,
      "atomic_number": 67,
      "symbol": "Ho",
      "name": "Holmium",
      "atomic_mass": 164.93,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/67"
    },
    {
      "id": 68,
      "atomic_number": 68,
      "symbol": "Er",
      "name": "Erbium",
      "atomic_mass": 167.26,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/68"
    },
    {
      "id": 69,
      "atomic_number": 69,
      "symbol": "Tm",
      "name": "Thulium",
      "atomic_mass": 168.93,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/69"
    },
    {
      "id": 70,
      "atomic_number": 70,
      "symbol": "Yb",
      "name": "Ytterbium",
      "atomic_mass": 173.05,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/70"
    },
    {
      "id": 71,
      "atomic_number": 71,
      "symbol": "Lu",
      "name": "Lutetium",
      "atomic_mass": 174.97,
      "category": "Lanthanide",
      "url": "https://gratisapi.com/api/elements/71"
    },
    {
      "id": 72,
      "atomic_number": 72,
      "symbol": "Hf",
      "name": "Hafnium",
      "atomic_mass": 178.49,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/72"
    },
    {
      "id": 73,
      "atomic_number": 73,
      "symbol": "Ta",
      "name": "Tantalum",
      "atomic_mass": 180.95,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/73"
    },
    {
      "id": 74,
      "atomic_number": 74,
      "symbol": "W",
      "name": "Tungsten",
      "atomic_mass": 183.84,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/74"
    },
    {
      "id": 75,
      "atomic_number": 75,
      "symbol": "Re",
      "name": "Rhenium",
      "atomic_mass": 186.21,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/75"
    },
    {
      "id": 76,
      "atomic_number": 76,
      "symbol": "Os",
      "name": "Osmium",
      "atomic_mass": 190.23,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/76"
    },
    {
      "id": 77,
      "atomic_number": 77,
      "symbol": "Ir",
      "name": "Iridium",
      "atomic_mass": 192.22,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/77"
    },
    {
      "id": 78,
      "atomic_number": 78,
      "symbol": "Pt",
      "name": "Platinum",
      "atomic_mass": 195.08,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/78"
    },
    {
      "id": 79,
      "atomic_number": 79,
      "symbol": "Au",
      "name": "Gold",
      "atomic_mass": 196.97,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/79"
    },
    {
      "id": 80,
      "atomic_number": 80,
      "symbol": "Hg",
      "name": "Mercury",
      "atomic_mass": 200.59,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/80"
    },
    {
      "id": 81,
      "atomic_number": 81,
      "symbol": "Tl",
      "name": "Thallium",
      "atomic_mass": 204.38,
      "category": "Post-transition metal",
      "url": "https://gratisapi.com/api/elements/81"
    },
    {
      "id": 82,
      "atomic_number": 82,
      "symbol": "Pb",
      "name": "Lead",
      "atomic_mass": 207.2,
      "category": "Post-transition metal",
      "url": "https://gratisapi.com/api/elements/82"
    },
    {
      "id": 83,
      "atomic_number": 83,
      "symbol": "Bi",
      "name": "Bismuth",
      "atomic_mass": 208.98,
      "category": "Post-transition metal",
      "url": "https://gratisapi.com/api/elements/83"
    },
    {
      "id": 84,
      "atomic_number": 84,
      "symbol": "Po",
      "name": "Polonium",
      "atomic_mass": 209,
      "category": "Post-transition metal",
      "url": "https://gratisapi.com/api/elements/84"
    },
    {
      "id": 85,
      "atomic_number": 85,
      "symbol": "At",
      "name": "Astatine",
      "atomic_mass": 210,
      "category": "Metalloid",
      "url": "https://gratisapi.com/api/elements/85"
    },
    {
      "id": 86,
      "atomic_number": 86,
      "symbol": "Rn",
      "name": "Radon",
      "atomic_mass": 222,
      "category": "Noble gas",
      "url": "https://gratisapi.com/api/elements/86"
    },
    {
      "id": 87,
      "atomic_number": 87,
      "symbol": "Fr",
      "name": "Francium",
      "atomic_mass": 223,
      "category": "Alkali metal",
      "url": "https://gratisapi.com/api/elements/87"
    },
    {
      "id": 88,
      "atomic_number": 88,
      "symbol": "Ra",
      "name": "Radium",
      "atomic_mass": 226,
      "category": "Alkaline earth metal",
      "url": "https://gratisapi.com/api/elements/88"
    },
    {
      "id": 89,
      "atomic_number": 89,
      "symbol": "Ac",
      "name": "Actinium",
      "atomic_mass": 227,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/89"
    },
    {
      "id": 90,
      "atomic_number": 90,
      "symbol": "Th",
      "name": "Thorium",
      "atomic_mass": 232.04,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/90"
    },
    {
      "id": 91,
      "atomic_number": 91,
      "symbol": "Pa",
      "name": "Protactinium",
      "atomic_mass": 231.04,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/91"
    },
    {
      "id": 92,
      "atomic_number": 92,
      "symbol": "U",
      "name": "Uranium",
      "atomic_mass": 238.03,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/92"
    },
    {
      "id": 93,
      "atomic_number": 93,
      "symbol": "Np",
      "name": "Neptunium",
      "atomic_mass": 237,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/93"
    },
    {
      "id": 94,
      "atomic_number": 94,
      "symbol": "Pu",
      "name": "Plutonium",
      "atomic_mass": 244,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/94"
    },
    {
      "id": 95,
      "atomic_number": 95,
      "symbol": "Am",
      "name": "Americium",
      "atomic_mass": 243,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/95"
    },
    {
      "id": 96,
      "atomic_number": 96,
      "symbol": "Cm",
      "name": "Curium",
      "atomic_mass": 247,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/96"
    },
    {
      "id": 97,
      "atomic_number": 97,
      "symbol": "Bk",
      "name": "Berkelium",
      "atomic_mass": 247,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/97"
    },
    {
      "id": 98,
      "atomic_number": 98,
      "symbol": "Cf",
      "name": "Californium",
      "atomic_mass": 251,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/98"
    },
    {
      "id": 99,
      "atomic_number": 99,
      "symbol": "Es",
      "name": "Einsteinium",
      "atomic_mass": 252,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/99"
    },
    {
      "id": 100,
      "atomic_number": 100,
      "symbol": "Fm",
      "name": "Fermium",
      "atomic_mass": 257,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/100"
    },
    {
      "id": 101,
      "atomic_number": 101,
      "symbol": "Md",
      "name": "Mendelevium",
      "atomic_mass": 258,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/101"
    },
    {
      "id": 102,
      "atomic_number": 102,
      "symbol": "No",
      "name": "Nobelium",
      "atomic_mass": 259,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/102"
    },
    {
      "id": 103,
      "atomic_number": 103,
      "symbol": "Lr",
      "name": "Lawrencium",
      "atomic_mass": 266,
      "category": "Actinide",
      "url": "https://gratisapi.com/api/elements/103"
    },
    {
      "id": 104,
      "atomic_number": 104,
      "symbol": "Rf",
      "name": "Rutherfordium",
      "atomic_mass": 267,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/104"
    },
    {
      "id": 105,
      "atomic_number": 105,
      "symbol": "Db",
      "name": "Dubnium",
      "atomic_mass": 268,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/105"
    },
    {
      "id": 106,
      "atomic_number": 106,
      "symbol": "Sg",
      "name": "Seaborgium",
      "atomic_mass": 269,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/106"
    },
    {
      "id": 107,
      "atomic_number": 107,
      "symbol": "Bh",
      "name": "Bohrium",
      "atomic_mass": 270,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/107"
    },
    {
      "id": 108,
      "atomic_number": 108,
      "symbol": "Hs",
      "name": "Hassium",
      "atomic_mass": 269,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/108"
    },
    {
      "id": 109,
      "atomic_number": 109,
      "symbol": "Mt",
      "name": "Meitnerium",
      "atomic_mass": 278,
      "category": "Unknown",
      "url": "https://gratisapi.com/api/elements/109"
    },
    {
      "id": 110,
      "atomic_number": 110,
      "symbol": "Ds",
      "name": "Darmstadtium",
      "atomic_mass": 281,
      "category": "Unknown",
      "url": "https://gratisapi.com/api/elements/110"
    },
    {
      "id": 111,
      "atomic_number": 111,
      "symbol": "Rg",
      "name": "Roentgenium",
      "atomic_mass": 282,
      "category": "Unknown",
      "url": "https://gratisapi.com/api/elements/111"
    },
    {
      "id": 112,
      "atomic_number": 112,
      "symbol": "Cn",
      "name": "Copernicium",
      "atomic_mass": 285,
      "category": "Transition metal",
      "url": "https://gratisapi.com/api/elements/112"
    },
    {
      "id": 113,
      "atomic_number": 113,
      "symbol": "Nh",
      "name": "Nihonium",
      "atomic_mass": 286,
      "category": "Unknown",
      "url": "https://gratisapi.com/api/elements/113"
    },
    {
      "id": 114,
      "atomic_number": 114,
      "symbol": "Fl",
      "name": "Flerovium",
      "atomic_mass": 289,
      "category": "Post-transition metal",
      "url": "https://gratisapi.com/api/elements/114"
    },
    {
      "id": 115,
      "atomic_number": 115,
      "symbol": "Mc",
      "name": "Moscovium",
      "atomic_mass": 290,
      "category": "Unknown",
      "url": "https://gratisapi.com/api/elements/115"
    },
    {
      "id": 116,
      "atomic_number": 116,
      "symbol": "Lv",
      "name": "Livermorium",
      "atomic_mass": 293,
      "category": "Unknown",
      "url": "https://gratisapi.com/api/elements/116"
    },
    {
      "id": 117,
      "atomic_number": 117,
      "symbol": "Ts",
      "name": "Tennessine",
      "atomic_mass": 294,
      "category": "Unknown",
      "url": "https://gratisapi.com/api/elements/117"
    },
    {
      "id": 118,
      "atomic_number": 118,
      "symbol": "Og",
      "name": "Oganesson",
      "atomic_mass": 294,
      "category": "Unknown",
      "url": "https://gratisapi.com/api/elements/118"
    }
  ]
}