Lr
103 actinide Generated with AI
Lawrencium
Symbol Lr
Atomic Mass 266
Lawrencium is a synthetic chemical element with chemical symbol Lr (formerly Lw) and atomic number 103. It is named in honor of Ernest Lawrence, inventor of the cyclotron, a device that was used to discover many artificial radioactive elements. A radioactive metal, lawrencium is the eleventh transuranic element and is also the final member of the actinide series.
Properties
- Phase: Solid
- Density: null g/cm³
- Melting Point: 1900 K
- Boiling Point: null K