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Praseodymium

(Pr)

Category

Lanthanoid

Series

lanthanide

Relative atomic mass

140.90765

Density

6.77

Melting point (°C)

1208

Boiling point (°C)

3403

Electronegativity (Pauling)

1.13

Discovery year

1879

Discovered by

Carl Gustaf Mosander

created by @lukaswyss

Praseodymium (Pr) – Element 59