Gold vs Fermium

PropertyAu GoldFm Fermium
Atomic number79100
SymbolAuFm
NameGoldFermium
Categorytransition-metalactinide
Standard Atomic Weight196.966569 u257 u
Period67
Group11N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s14f145d10[Rn] 5f12 7s2
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 5][2, 3]
Electronegativity (Pauling)2.541.3
Electron affinity2.3086 eV0.339 eV
Density1.928200e+4 kg/m³9700 kg/m³
Melting point1064.18 °C1526.85 °C
Boiling point2855.85 °C-273.15 °C
Discovery yearN/A1952