Element: terbium |
Name : terbium |
Symbol : Tb |
Atomicnumber : 65 |
Relativeatomicmass : 158.92535 (2) |
Standardstate : solid at 298 K |
Appearance : silvery white |
Classification : Metallic |
Groupinperiodictable : None |
Groupname : Lanthanoid |
Periodinperiodictable : 6 (lanthanoid) |
Blockinperiodictable : f |
Shellstructure : 2.8.18.27.8.2 |
CASRegistry : 7440-27-9 |
Description : Terbium is reasonably stable in air. It is a silvery-grey metal, and is malleable, ductile, and soft enough to be cut with a knife. |