Manganese vs Gadolinium

PropertyMn ManganeseGd Gadolinium
Atomic number2564
SymbolMnGd
NameManganeseGadolinium
Categorytransition-metallanthanide
Standard Atomic Weight54.938044 u157.25 u
Period46
Group7N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d5[Xe]6s24f75d1
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5, 6, 7][0, 1, 2, 3]
Electronegativity (Pauling)1.551.2
Electron affinity-0.5 eV0.132 eV
Density7300 kg/m³7900 kg/m³
Melting point1245.85 °C1312.85 °C
Boiling point2060.85 °C3272.85 °C
Discovery year17741886