Indium vs Meitnerium

PropertyIn IndiumMt Meitnerium
Atomic number49109
SymbolInMt
NameIndiumMeitnerium
Categorypost-transition-metaltransition-metal
Standard Atomic Weight114.818 u278 u
Period57
Group139
Blockps
Phase at STPsolidN/A
Electron configuration[Kr]5s24d105p1[Rn]7s25f146d7(calculated)
Oxidation states[-5, -2, -1, 0, 1, 2, 3][1, 3, 4, 6, 8, 9]
Electronegativity (Pauling)1.78N/A
Electron affinity0.3 eV1.7 eV
Density7310 kg/m³3.740000e+4 kg/m³
Melting point156.6 °C-273.15 °C
Boiling point2071.85 °C-273.15 °C
Discovery year18631982