109
278 u
Mt
Meitnerium
Transition Metal
Atomic Structure
Physical State
Group
9
Period
7
Block
d
Electron Configuration
[Rn] 5f¹⁴ 6d⁷ 7s²
Physical Properties
Atomic Mass:
278 u
Electronegativity:
N/A
Atomic Radius:
N/A
Ionization Energy:
N/A
Density:
37.4 g/cm³
Melting Point:
N/A
Boiling Point:
N/A
Historical Information
Discovered By:
Gesellschaft für Schwerionenforschung
Year Discovered:
1982