Element at v1.0.0
68
07685d974c9efd1bda8c0f2bf666cd149040fb8b925365186aa4a4c84a0d3ccb · where else it appears
Data
{
"atomicMass": 167.26,
"atomicNumber": 68,
"block": "f",
"boilingPointC": 2867.85,
"categoryId": "lanthanide",
"density": 9.07,
"discoverer": null,
"discoveryYear": "1843",
"electronConfiguration": "[Xe]6s2 4f12",
"electronegativity": 1.24,
"group": null,
"meltingPointC": 1528.85,
"name": "Erbium",
"period": 6,
"phase": "Solid",
"symbol": "Er"
}History in this collection
- addedv1.0.0Jun 12, 2026this version