Tin vs Meitnerium

PropertySn TinMt Meitnerium
Atomic number50109
SymbolSnMt
NameTinMeitnerium
Categorypost-transition-metaltransition-metal
Standard Atomic Weight118.71 u278 u
Period57
Group149
Blockps
Phase at STPsolidN/A
Electron configuration[Kr]5s24d105p2[Rn]7s25f146d7(calculated)
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][1, 3, 4, 6, 8, 9]
Electronegativity (Pauling)1.96N/A
Electron affinity1.112 eV1.7 eV
Density7287 kg/m³3.740000e+4 kg/m³
Melting point231.93 °C-273.15 °C
Boiling point2601.85 °C-273.15 °C
Discovery yearN/A1982