Er - Erbium
Products contain Erbium elements.
Element: Erbium
Symbol: Er
Atomic Number: 68
Atomic Mass: 167.26 amu
Melting Point: 1522.0 °C (1795.15 K, 2771.6 °F)
Boiling Point: 2510.0 °C (2783.15 K, 4550.0 °F)
Number of Protons/Electrons: 68
Number of Neutrons: 99
Classification: Rare Earth
Crystal Structure: Hexagonal
Density @ 293 K: 8.795 g/cm3
Color: grayish
