Element: erbium |
Name : erbium |
Symbol : Er |
Atomicnumber : 68 |
Relativeatomicmass : 167.259 (3) g [see note g] |
Standardstate : solid at 298 K |
Appearance : silvery white |
Classification : Metallic |
Groupinperiodictable : None |
Groupname : Lanthanoid |
Periodinperiodictable : 6 (lanthanoid) |
Blockinperiodictable : f |
Shellstructure : 2.8.18.30.8.2 |
CASRegistry : 7440-52-0 |
Description : Pure erbium metal is soft and malleable and has a bright, silvery, metallic lustre. |