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{
  "id": "100",
  "type": "Element",
  "data": {
    "atomicMass": 257.09511,
    "atomicNumber": 100,
    "block": "f",
    "boilingPointC": null,
    "categoryId": "actinide",
    "density": null,
    "discoverer": null,
    "discoveryYear": "1952",
    "electronConfiguration": "[Rn] 5f12 7s2",
    "electronegativity": 1.3,
    "group": null,
    "meltingPointC": 1526.85,
    "name": "Fermium",
    "period": 7,
    "phase": "Solid",
    "symbol": "Fm"
  }
}