59
Pr
Praseodymium
Praseodymium
Praseodymium (Pr)
Lanthanides · Solid · Period 6 · Group 3
Advertisement
Element Properties
- Atomic Number
- 59
- Symbol
- Pr
- Atomic Mass
- 140.9077
- Category
- Lanthanides
- Standard State
- Solid
- Period
- 6
- Group
- 3
- Electronegativity
- 1.13
- Atomic Radius
- 239
- Ionization Energy
- 5.46
- Electron Affinity
- —
- Oxidation States
- +3
- Melting Point
- 1204 K (930.85 °C)
- Boiling Point
- 3793 K (3519.85 °C)
- Density
- 6.77
- Electron Configuration
- [Xe]6s2 4f3
- Year Discovered
- 1885
Frequently asked questions
What is the atomic number of Praseodymium?
The atomic number of Praseodymium is 59, which equals the number of protons in its nucleus.
What is the atomic mass of Praseodymium?
The atomic mass of Praseodymium is approximately 140.9077 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Praseodymium?
The electron configuration of Praseodymium is [Xe]6s2 4f3.
Where is Praseodymium in the periodic table?
Praseodymium is located in period 6, group 3.
When was Praseodymium discovered?
Praseodymium was discovered in 1885.
Related elements
Same group
21
Sc
Scandium
44.956
39
Y
Yttrium
88.906
57
La
Lanthanum
138.905
58
Ce
Cerium
140.116
60
Nd
Neodymium
144.24
61
Pm
Promethium
144.913