211f23de60bfe9f8…
ElementID:
57353 bytesFirst seen Jun 12, 20261 collectionFields
| Name | Value |
|---|---|
| atomicMass | 138.9055 |
| atomicNumber | 57 |
| block | f |
| boilingPointC | 3463.85 |
| categoryId | lanthanide |
| density | 6.15 |
| discoverer | null |
| discoveryYear | 1839 |
| electronConfiguration | [Xe]6s2 5d1 |
| electronegativity | 1.1 |
| group | null |
| meltingPointC | 917.85 |
| name | Lanthanum |
| period | 6 |
| phase | Solid |
| symbol | La |
Canonical JSON
{
"id": "57",
"type": "Element",
"data": {
"atomicMass": 138.9055,
"atomicNumber": 57,
"block": "f",
"boilingPointC": 3463.85,
"categoryId": "lanthanide",
"density": 6.15,
"discoverer": null,
"discoveryYear": "1839",
"electronConfiguration": "[Xe]6s2 5d1",
"electronegativity": 1.1,
"group": null,
"meltingPointC": 917.85,
"name": "Lanthanum",
"period": 6,
"phase": "Solid",
"symbol": "La"
}
}Appears in 1 collection
reference/periodic-table1 version · Jun 12, 2026
Full hash:211f23de60bfe9f8bbed733c52015f742ae8eb205409965961445e43a96e665b