Pr

Praseodymium

Atomic Number 59 · Metal piece

A soft, silvery rare earth that gives glass a distinctive green color. Used in magnets and aircraft engines.

Atomic Mass

140.91 u

Category

Lanthanide

Phase (STP)

Solid

Density

6.773 g/cm³

Melting Point

935 °C

Boiling Point

3520 °C

Electronegativity

1.13 (Pauling)

Atomic Radius

185 pm

Electron Configuration

[Xe] 4f3 6s2

Discovered

1885 — Carl Auer von Welsbach

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Sample form: Metal piece

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