Praseodymium (Pr)

A fascinating lanthanide element.

Praseodymium is element 59 on the periodic table.

Element properties

Atomic number

59

Symbol

Pr

Atomic mass

140.91 u

Category

Lanthanide

Period

6

Group

Not assigned

Block

f

State

Solid

Electron configuration

[Xe] 4f3 6s2

Electronegativity (Pauling)

1.13

Density

6.77 g/cm³

Melting point

931 °C

Boiling point

3520 °C