Pr

Praseodymium Symbol (Pr)

Praseodymium is element 59 of the periodic table. Copy its symbol Pr and see its atomic weight, electron configuration and physical properties.

What does Pr mean?

Pr is the chemical symbol for praseodymium, element number 59 in the periodic table. Praseodymium is a lanthanide in the f-block, period 6. It is a solid at room temperature and was discovered in 1885.

Codes and properties

Chemical symbolPr
Atomic number (Z)59
Atomic weight (PubChem)140.90766
Group / periodf-block / 6
Element categorylanthanide
Electron configuration[Xe]6s² 4f³
State at 20 °CSolid
Oxidation states+3
Electronegativity (Pauling)1.13
Melting point1204 K (930.85 °C)
Boiling point3793 K (3519.85 °C)
Density6.77 g/cm³
Discovered1885

How to type Pr

  • Plain text: type Pr — element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase.
  • Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as H₂O — copy them from the chemistry keyboard.
  • LaTeX: write \mathrm{Pr} in math mode, or use the mhchem package: \ce{Pr}.
  • HTML: Pr; for subscripts use <sub>, e.g. H<sub>2</sub>O.

Frequently asked questions

What is the chemical symbol for praseodymium?

The chemical symbol for praseodymium is Pr.

What is the atomic number of praseodymium?

Praseodymium has atomic number 59, meaning each atom has 59 protons.

What is the electron configuration of praseodymium?

The ground-state electron configuration of praseodymium is [Xe]6s² 4f³.

Related symbols

Reference: Praseodymium on PubChem (NIH)