Copper vs Lutetium

PropertyCu CopperLu Lutetium
Atomic number2971
SymbolCuLu
NameCopperLutetium
Categorytransition-metallanthanide
Standard Atomic Weight63.546 u174.9668 u
Period46
Group113
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s13d10[Xe]6s24f145d1
Oxidation states[-2, 0, 1, 2, 3, 4][0, 1, 2, 3]
Electronegativity (Pauling)1.91.27
Electron affinity1.235 eV0.346 eV
Density8933 kg/m³9840 kg/m³
Melting point1084.62 °C1662.85 °C
Boiling point2561.85 °C3401.85 °C
Discovery yearN/A1907