Praseodymium (Pr) is a chemical element belonging to the category Inner transition metal, with atomic number 59 and atomic mass 140.9100 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Identity
- Name: Praseodymium
- Symbol: Pr
- Atomic number: 59
- Atomic mass: 140.9100 u
Position in the periodic table
- Group: 3
- Period: 6
- Category: Inner transition metal
Physico-chemical properties
- Standard state: Solid
- Melting point: Very high (800°C to 3500°C)
- Density: Medium
- Electron configuration: [Xe] 4f³ 6s²
Scientific description
Praseodymium is a chemical element with symbol Pr and atomic number 59. It belongs to the category of Inner transition metal and occupies group 3 and period 6. Its standard atomic mass is 140.9100 u.