0f51e7c969beec35…

Element
ID: 105356 bytesFirst seen Jun 12, 20261 collection

Fields

NameValue
atomicMass268.126
atomicNumber105
blockd
boilingPointCnull
categoryIdtransition-metal
densitynull
discoverernull
discoveryYear1967
electronConfiguration[Rn]7s2 5f14 6d3
electronegativitynull
group5
meltingPointCnull
nameDubnium
period7
phaseSolid
symbolDb

Canonical JSON

{
  "id": "105",
  "type": "Element",
  "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"
  }
}

Appears in 1 collection

reference/periodic-table1 version · Jun 12, 2026

Full hash:0f51e7c969beec351134c06dcf30a189acb670453b22ebdc4537d901f29929ab