68 Er 167.26

Erbium

Category: Lanthanide | State: Solid

Atomic Properties

Atomic Number 68
Atomic Mass 167.26
Electronic Configuration [Xe] 4f¹² 6s²

Periodic Table Placement

Group N/A
Period 6
Block f-block

Physical Properties & Discovery

Melting Point 1529°C
Boiling Point 2868°C
Density 9.066 g/cm³
Discovered By Carl Gustaf Mosander (1843)

Frequently Asked Questions about Erbium