Meitnerium

Transition metal

Symbol: Mt

Atomic Number: 109

Standard State: Solid

Atomic Mass: 277.154

Electron Configuration: [Rn]7s2 5f14 6d7 (calculated)

Electronegativity:

Atomic Radius:

Ionization Energy:

Melting Point:

Boiling Point:

Density:

Year Discovered: 1982