105

Data

{
  "atomicMass": 268.126,
  "atomicNumber": 105,
  "block": "d",
  "boilingPointC": null,
  "categoryId": "transition-metal",
  "density": null,
  "discoverer": null,
  "discoveryYear": "1967",
  "electronConfiguration": "[Rn]7s2 5f14 6d3",
  "electronegativity": null,
  "group": 5,
  "meltingPointC": null,
  "name": "Dubnium",
  "period": 7,
  "phase": "Solid",
  "symbol": "Db"
}

History in this collection

1. addedv1.0.0Jun 12, 2026this version