8bet

The Instrumentation Center

Erbium

ÌýEr

Contributor: Be the contributor for this element!

8bet the Display:

8bet the Contributor:

Back to the Periodic Table

Ìý

<Previous element-| |-Onward to the next element!>

Ìý

Symbol: Er

Atomic Number: 68

Atomic Mass: 167.259 u

Electron Configuration:Ìý[Xe] 4f126s2Ìý

Year Discovered: 1843

Discovered By: Carl Gustav Mosander