684fe98b7ad90562…

{
  "id": "104",
  "type": "Element",
  "data": {
    "atomicMass": 267.122,
    "atomicNumber": 104,
    "block": "d",
    "boilingPointC": null,
    "categoryId": "transition-metal",
    "density": null,
    "discoverer": null,
    "discoveryYear": "1964",
    "electronConfiguration": "[Rn]7s2 5f14 6d2",
    "electronegativity": null,
    "group": 4,
    "meltingPointC": null,
    "name": "Rutherfordium",
    "period": 7,
    "phase": "Solid",
    "symbol": "Rf"
  }
}