Yttrium vs Neodymium

PropertyY YttriumNd Neodymium
Atomic number3960
SymbolYNd
NameYttriumNeodymium
Categorytransition-metallanthanide
Standard Atomic Weight88.90584 u144.242 u
Period56
Group3N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s24d1[Xe]6s24f4
Oxidation states[0, 1, 2, 3][0, 2, 3, 4]
Electronegativity (Pauling)1.221.14
Electron affinity0.307 eV1.913 eV
Density4470 kg/m³7010 kg/m³
Melting point1521.85 °C1020.85 °C
Boiling point3344.85 °C3073.85 °C
Discovery year17941841