Praseodymium Pr
Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 19 Electron 20 Electron 21 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2
Praseodymium is a chemical element with symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. It is valued for its magnetic, electrical, chemical, and optical properties.
59
Atomic Number
140.91 u
Atomic Mass
1204.15 K
Melting Point
3793 K
Boiling Point
6.77 g/cm³
Density
2.7 Å
Atomic Radius
2.03 Å
Covalent Radius
1.13
Electronegativity
5.47 eV
First Ionization Energy
93
Electron Affinity
6
Number of Shells
2, 8, 18, 21, 8, 2
Electron Shell Occupations
0.19 J/g
Specific Heat
