59Pr140.91
Praseodymium
Lanthanide · element 59 · f-block (shown below the main table)
Quick facts
| Symbol | Pr |
|---|---|
| Atomic number | 59 |
| Relative atomic mass | 140.91 |
| Category | Lanthanide |
| Position | f-block (shown below the main table) |
| State at 20 °C | Solid |
| Melting point | 935 °C |
| Boiling point | 3,520 °C |
| Density | 6.77 g/cm³ |
| Electronegativity | 1.13 |
| Electron configuration | [Xe] 4f3 6s2 |
About Praseodymium
Praseodymium has the symbol Pr and atomic number 59, which means every praseodymium atom has 59 protons in its nucleus and, in a neutral atom, 59 electrons. At room temperature it is a solid.
Lanthanides are the first row of the f-block. Many are used in strong magnets, screens and lasers.
It melts at 935 °C and boils at 3,520 °C.
Explore it
See where praseodymium sits, and drag the temperature slider to watch it melt and boil, on the interactive periodic table. Practise with quizzes on OmniEx.