The chemical symbol for Meitnerium is Mt and its atomic number is 109.
We find it listed in the periodic table in Group 9 and 7 period and block d.
The Meitnerium belongs to the family of transition metals such as for example the Silver, the Bohrium, cadmium, ...
This element is Radioactive
Meitnerium was named after Lise Meitner.
Atomic number (Z) 109
Group, block group 9, d-block
Period: period 7
Element category: unknown, but probably a transition metal
Standard atomic weight (Ar) [278]
Electron configuration: [Rn] 5f14 6d7 7s2 (calculated)
per shell: 2, 8, 18, 32, 32, 15, 2 (predicted)
Physical properties
Phase: solid (predicted)
Density near r.t. : 37.4 g/cm3 (predicted)
Atomic properties
Oxidation states: 9, 8, 6, 4, 3, 1 (predicted)
Ionization energies 1st: 800.8 kJ/mol
2nd: 1823.6 kJ/mol
3rd: 2904.2 kJ/mol (all estimated)
Atomic radius empirical: 128 pm (predicted)
Covalent radius: 129 pm (estimated)
Element crystal structure: face-centered cubic (predicted)
Magnetic ordering: paramagnetic (predicted)
CAS Number: 54038-01-6