59Pr
Praseodymium
Lanthanide
Properties of Praseodymium
- Atomic number (Z)
- 59
- Symbol
- Pr
- Name
- Praseodymium
- Atomic mass
- 140.908 u
- Period
- 6
- Group
- —
- Family
- Lanthanides (f-block)
- Classification
- Lanthanide
- Electron configuration
- [Xe] 4f³ 6s²
About Praseodymium
Praseodymium is a chemical element with symbol Pr and atomic number 59 (atomic mass of about 140.908 u). It is classified as a lanthanide on the periodic table.
On the periodic table, Praseodymium is located in period 6, outside the numbered groups (f-block), belonging to the lanthanides (f-block) family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.
The electron configuration of Praseodymium is [Xe] 4f³ 6s², which determines how it forms chemical bonds and takes part in reactions.