Mt
Meitnerium
109
Atomic Number: 109
Atomic mass: [276]
Ionization energy:
Electronaffinity:
Covalent radius:
Calculated radius:
Empirical radius:
Vanderwaals radius:
Electronegativity:
Density:
Oxidation states:
Melting point:
Boiling point:
Electron configuration: [Rn] 5f14 6d7 7s2
Element group: 9
Element period: 7

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