c6b73e210c9e491d…

Element
ID: 43356 bytesFirst seen Jun 12, 20261 collection

Fields

NameValue
atomicMass96.90636
atomicNumber43
blockd
boilingPointC4264.85
categoryIdtransition-metal
density11
discoverernull
discoveryYear1937
electronConfiguration[Kr]5s2 4d5
electronegativity1.9
group7
meltingPointC2156.85
nameTechnetium
period5
phaseSolid
symbolTc

Canonical JSON

{
  "id": "43",
  "type": "Element",
  "data": {
    "atomicMass": 96.90636,
    "atomicNumber": 43,
    "block": "d",
    "boilingPointC": 4264.85,
    "categoryId": "transition-metal",
    "density": 11,
    "discoverer": null,
    "discoveryYear": "1937",
    "electronConfiguration": "[Kr]5s2 4d5",
    "electronegativity": 1.9,
    "group": 7,
    "meltingPointC": 2156.85,
    "name": "Technetium",
    "period": 5,
    "phase": "Solid",
    "symbol": "Tc"
  }
}

Appears in 1 collection

reference/periodic-table1 version · Jun 12, 2026

Full hash:c6b73e210c9e491debfa0b72e8ec1f45db1cd4dee430ed17d559316a9ec44986