···Er Erbium, Periodic Table of the Elements, Shell Structure of Erbium - Electrons per energy levelRFID:Image ID:2MD54RFPreviewSaveShareBuy the printImage detailsContributor:Moorthy R / Alamy Stock VectorImage ID:2MD54RFReleases:Model - no | Property - noDo I need a release?Date created:29 January 2023