Neodymium vs Ytterbium

PropertyNd NeodymiumYb Ytterbium
Atomic number6070
SymbolNdYb
NameNeodymiumYtterbium
Categorylanthanidelanthanide
Standard Atomic Weight144.242 u173.054 u
Period66
GroupN/AN/A
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f4[Xe]6s24f14
Oxidation states[0, 2, 3, 4][0, 1, 2, 3]
Electronegativity (Pauling)1.14N/A
Electron affinity1.913 eV-0.02 eV
Density7010 kg/m³6900 kg/m³
Melting point1020.85 °C818.85 °C
Boiling point3073.85 °C1195.85 °C
Discovery year18411878