Element: meitnerium |
Name : meitnerium |
Symbol : Mt |
Atomicnumber : 109 |
Relativeatomicmass : [ 278 ] (longest lived isotope) |
Standardstate : presumably a solid at 298 K |
Appearance : unknown, but probably metallic and silvery white or grey in appearance |
Classification : Metallic |
Groupinperiodictable : 9 |
Groupname : (none) |
Periodinperiodictable : 7 |
Blockinperiodictable : d |
Shellstructure : 2.8.18.32.32.15.2 |
CASRegistry : 54038-01-6 |
Description : Element 109, meitnerium, is a synthetic element that is not present in the environment at all. |