Tb
65 lanthanide Generated with AI
Terbium
Symbol Tb
Atomic Mass 158.925352
Terbium is a chemical element with symbol Tb and atomic number 65. It is a silvery-white rare earth metal that is malleable, ductile and soft enough to be cut with a knife. Terbium is never found in nature as a free element, but it is contained in many minerals, including cerite, gadolinite, monazite, xenotime and euxenite.
Properties
- Phase: Solid
- Density: 8.23 g/cm³
- Melting Point: 1629 K
- Boiling Point: 3396 K