Erbium

Element information

Atomic properties

Mass: 167.26 u

Electron configuration: [Xe]6s2 4f12

Oxidation states: +3

Electronegativity: 1.24

Physical properties

Density: 9.07 g/cm³

Standard state: solid

Melting point: 1802 K

Boiling point: 3141 K

₆₈Er

Part of the Periodic Table 2 collection

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