Silver vs Mendelevium

PropertyAg SilverMd Mendelevium
Atomic number47101
SymbolAgMd
NameSilverMendelevium
Categorytransition-metalactinide
Standard Atomic Weight107.8682 u258 u
Period57
Group11N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s14d10[Rn]7s25f13
Oxidation states[-2, -1, 0, 1, 2, 3][2, 3]
Electronegativity (Pauling)1.931.3
Electron affinity1.302 eV0.997 eV
Density1.050100e+4 kg/m³1.030000e+4 kg/m³
Melting point961.78 °C826.85 °C
Boiling point2161.85 °C-273.15 °C
Discovery yearN/A1955