{
    "atomes": [
        {
            "atomicNumber": 1,
            "symbol": "H",
            "name": "Hydrogen",
            "protons": 1,
            "neutrons": 0,
            "properties": {
              "yeardiscovered": "1766",
              "atomicmass": "1.008",
              "standardstate": "gas",
              "groupblock": "nonmetal",
              "discovered_by": "Henry Cavendish",
              "named_by": "Antoine Lavoisier"
            },
            "representation": {
              "color": "ffffff"
            }
          },
          {
            "atomicNumber": 2,
            "symbol": "He",
            "name": "Helium",
            "protons": 2,
            "neutrons": 2,
            "properties": {
              "yeardiscovered": "1868",
              "atomicmass": "4.0026",
              "standardstate": "gas",
              "groupblock": "noble gas",
              "discovered_by": "Pierre Janssen, Norman Lockyer",
              "named_by": null
            },
            "representation": {
              "color": "d9ebf7"
            }
          },
          {
            "atomicNumber": 3,
            "symbol": "Li",
            "name": "Lithium",
            "protons": 3,
            "neutrons": 4,
            "properties": {
              "yeardiscovered": "1817",
              "atomicmass": "6.94",
              "standardstate": "solid",
              "groupblock": "alkali metal",
              "discovered_by": "Johan August Arfwedson",
              "named_by": null
            },
            "representation": {
              "color": "cc80ff"
            }
          },
          {
            "atomicNumber": 4,
            "symbol": "Be",
            "name": "Beryllium",
            "protons": 4,
            "neutrons": 5,
            "properties": {
              "yeardiscovered": "1798",
              "atomicmass": "9.0122",
              "standardstate": "solid",
              "groupblock": "alkaline earth metal",
              "discovered_by": "Louis Nicolas Vauquelin",
              "named_by": null
            },
            "representation": {
              "color": "d9ffb3"
            }
          },
          {
            "atomicNumber": 5,
            "symbol": "B",
            "name": "Boron",
            "protons": 5,
            "neutrons": 6,
            "properties": {
              "yeardiscovered": "1808",
              "atomicmass": "10.81",
              "standardstate": "solid",
              "groupblock": "metalloid",
              "discovered_by": "Sir Humphry Davy, Jöns Jakob Berzelius",
              "named_by": null
            },
            "representation": {
              "color": "ff6666"
            }
          },
          {
            "atomicNumber": 6,
            "symbol": "C",
            "name": "Carbon",
            "protons": 6,
            "neutrons": 6,
            "properties": {
              "yeardiscovered": "Ancient",
              "atomicmass": "12.011",
              "standardstate": "solid",
              "groupblock": "nonmetal",
              "discovered_by": "Unknown",
              "named_by": null
            },
            "representation": {
              "color": "666666"
            }
          },
          {
            "atomicNumber": 7,
            "symbol": "N",
            "name": "Nitrogen",
            "protons": 7,
            "neutrons": 7,
            "properties": {
              "yeardiscovered": "1772",
              "atomicmass": "14.007",
              "standardstate": "gas",
              "groupblock": "nonmetal",
              "discovered_by": "Daniel Rutherford",
              "named_by": null
            },
            "representation": {
              "color": "4d4dff"
            }
          },
          {
            "atomicNumber": 8,
            "symbol": "O",
            "name": "Oxygen",
            "protons": 8,
            "neutrons": 8,
            "properties": {
              "yeardiscovered": "1774",
              "atomicmass": "15.999",
              "standardstate": "gas",
              "groupblock": "nonmetal",
              "discovered_by": "Joseph Priestley",
              "named_by": null
            },
            "representation": {
              "color": "ff4d4d"
            }
          },
          {
            "atomicNumber": 9,
            "symbol": "F",
            "name": "Fluorine",
            "protons": 9,
            "neutrons": 10,
            "properties": {
              "yeardiscovered": "1670",
              "atomicmass": "18.998",
              "standardstate": "gas",
              "groupblock": "halogen",
              "discovered_by": "André-Marie Ampère",
              "named_by": null
            },
            "representation": {
              "color": "99ffcc"
            }
          },
          {
            "atomicNumber": 10,
            "symbol": "Ne",
            "name": "Neon",
            "protons": 10,
            "neutrons": 10,
            "properties": {
              "yeardiscovered": "1898",
              "atomicmass": "20.180",
              "standardstate": "gas",
              "groupblock": "noble gas",
              "discovered_by": "Sir William Ramsay, Morris Travers",
              "named_by": null
            },
            "representation": {
              "color": "b3b3cc"
            }
          },
          {
            "atomicNumber": 11,
            "symbol": "Na",
            "name": "Sodium",
            "protons": 11,
            "neutrons": 12,
            "properties": {
              "yeardiscovered": "1807",
              "atomicmass": "22.990",
              "standardstate": "solid",
              "groupblock": "alkali metal",
              "discovered_by": "Sir Humphry Davy",
              "named_by": null
            },
            "representation": {
              "color": "ffcc99"
            }
          },
          {
            "atomicNumber": 12,
            "symbol": "Mg",
            "name": "Magnesium",
            "protons": 12,
            "neutrons": 12,
            "properties": {
              "yeardiscovered": "1808",
              "atomicmass": "24.305",
              "standardstate": "solid",
              "groupblock": "alkaline earth metal",
              "discovered_by": "Sir Humphry Davy",
              "named_by": null
            },
            "representation": {
              "color": "b3b3cc"
            }
          },
          {
            "atomicNumber": 13,
            "symbol": "Al",
            "name": "Aluminum",
            "protons": 13,
            "neutrons": 14,
            "properties": {
              "yeardiscovered": "Ancient",
              "atomicmass": "26.982",
              "standardstate": "solid",
              "groupblock": "post-transition metal",
              "discovered_by": null,
              "named_by": null
            },
            "representation": {
              "color": "999999"
            }
          },
          {
            "atomicNumber": 14,
            "symbol": "Si",
            "name": "Silicon",
            "protons": 14,
            "neutrons": 14,
            "properties": {
              "yeardiscovered": "1823",
              "atomicmass": "28.085",
              "standardstate": "solid",
              "groupblock": "metalloid",
              "discovered_by": "Jöns Jakob Berzelius",
              "named_by": "Thomas Thomson"
            },
            "representation": {
              "color": "ffcc66"
            }
          },
          {
            "atomicNumber": 15,
            "symbol": "P",
            "name": "Phosphorus",
            "protons": 15,
            "neutrons": 16,
            "properties": {
              "yeardiscovered": "1669",
              "atomicmass": "30.974",
              "standardstate": "solid",
              "groupblock": "nonmetal",
              "discovered_by": "Hennig Brand",
              "named_by": null
            },
            "representation": {
              "color": "cc6666"
            }
          },
          {
            "atomicNumber": 16,
            "symbol": "S",
            "name": "Sulfur",
            "protons": 16,
            "neutrons": 16,
            "properties": {
              "yeardiscovered": "Ancient",
              "atomicmass": "32.06",
              "standardstate": "solid",
              "groupblock": "nonmetal",
              "discovered_by": null,
              "named_by": null
            },
            "representation": {
              "color": "d9ff66"
            }
          },
          {
            "atomicNumber": 17,
            "symbol": "Cl",
            "name": "Chlorine",
            "protons": 17,
            "neutrons": 18,
            "properties": {
              "yeardiscovered": "1774",
              "atomicmass": "35.45",
              "standardstate": "gas",
              "groupblock": "halogen",
              "discovered_by": "Carl Wilhelm Scheele",
              "named_by": null
            },
            "representation": {
              "color": "66ff66"
            }
          },
          {
            "atomicNumber": 18,
            "symbol": "Ar",
            "name": "Argon",
            "protons": 18,
            "neutrons": 22,
            "properties": {
              "yeardiscovered": "1894",
              "atomicmass": "39.948",
              "standardstate": "gas",
              "groupblock": "noble gas",
              "discovered_by": "Sir William Ramsay, Lord Rayleigh",
              "named_by": null
            },
            "representation": {
              "color": "b3b3cc"
            }
          },
          {
            "atomicNumber": 19,
            "symbol": "K",
            "name": "Potassium",
            "protons": 19,
            "neutrons": 20,
            "properties": {
              "yeardiscovered": "1807",
              "atomicmass": "39.098",
              "standardstate": "solid",
              "groupblock": "alkali metal",
              "discovered_by": "Sir Humphry Davy",
              "named_by": null
            },
            "representation": {
              "color": "ff9966"
            }
          },
          {
            "atomicNumber": 20,
            "symbol": "Ca",
            "name": "Calcium",
            "protons": 20,
            "neutrons": 20,
            "properties": {
              "yeardiscovered": "Ancient",
              "atomicmass": "40.078",
              "standardstate": "solid",
              "groupblock": "alkaline earth metal",
              "discovered_by": "Humphry Davy",
              "named_by": null
            },
            "representation": {
              "color": "99ccff"
            }
          }
    ]
}