Erbium element has 68 protons, 99 neutrons and 68 electrons.
Erbium is a silvery metal at room temperature. The melting point of Erbium metal is 1529 ̊C.
Erbium cations include Er+3.
» Common Erbium compounds:
• Erbium(III) Chloride, ErCl3
• Erbium Oxide, Er2O3