Indium vs Mendelevium

PropertyIn IndiumMd Mendelevium
Atomic number49101
SymbolInMd
NameIndiumMendelevium
Categorypost-transition-metalactinide
Standard Atomic Weight114.818 u258 u
Period57
Group13N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p1[Rn]7s25f13
Oxidation states[-5, -2, -1, 0, 1, 2, 3][2, 3]
Electronegativity (Pauling)1.781.3
Electron affinity0.3 eV0.997 eV
Density7310 kg/m³1.030000e+4 kg/m³
Melting point156.6 °C826.85 °C
Boiling point2071.85 °C-273.15 °C
Discovery year18631955