Element at v1.0.0
59
4f65cdadfdf5c4dc9c8ffda79725245d2aa0b39ad935c601a3bf1df134037cb9 · where else it appears
Data
{
"atomicMass": 140.90766,
"atomicNumber": 59,
"block": "f",
"boilingPointC": 3519.85,
"categoryId": "lanthanide",
"density": 6.77,
"discoverer": null,
"discoveryYear": "1885",
"electronConfiguration": "[Xe]6s2 4f3",
"electronegativity": 1.13,
"group": null,
"meltingPointC": 930.85,
"name": "Praseodymium",
"period": 6,
"phase": "Solid",
"symbol": "Pr"
}History in this collection
- addedv1.0.0Jun 12, 2026this version