Manganese vs Terbium

PropertyMn ManganeseTb Terbium
Atomic number2565
SymbolMnTb
NameManganeseTerbium
Categorytransition-metallanthanide
Standard Atomic Weight54.938044 u158.92535 u
Period46
Group7N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d5[Xe]6s24f9
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5, 6, 7][0, 1, 2, 3, 4]
Electronegativity (Pauling)1.55N/A
Electron affinity-0.5 eV1.124 eV
Density7300 kg/m³8230 kg/m³
Melting point1245.85 °C1355.85 °C
Boiling point2060.85 °C3229.85 °C
Discovery year17741843