Lanthanum

Element information

Atomic properties

Mass: 138.9055 u

Electron configuration: [Xe]6s2 5d1

Oxidation states: +3

Electronegativity: 1.1

Physical properties

Density: 6.15 g/cm³

Standard state: solid

Melting point: 1191 K

Boiling point: 3737 K

₅₇La

Part of the Periodic Table 2 collection

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