Atomic Properties
- Atomic Number
- 59
- Atomic Mass
- 140.9100 u
- Electron Configuration
- [Xe] 4f3 6s2
- Electronegativity
- 1.13
- Block
- f-block
- Group
- —
- Period
- 6
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 1208.00 K
- Boiling Point
- 3403.00 K
- Density
- 6.7700 g/cm³
About Praseodymium
Used in magnets, lasers, and to color glass and ceramics green.
Isotopes of Praseodymium
Praseodymium has 1 naturally occurring isotope.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 141Pr | 141 | 140.9076576 | 100.00% | Stable |
Data source: NIH PubChem (aggregated from IUPAC, NIST)