Manganese vs Rhodium

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PropertyMn ManganeseRh Rhodium
Atomic number2545
SymbolMnRh
NameManganeseRhodium
Categorytransition-metaltransition-metal
Standard Atomic Weight54.938044 u102.9055 u
Period45
Group79
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d5[Kr]5s14d8
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5, 6, 7][-3, -1, 1, 2, 3, 4, 5, 6, 7]
Electronegativity (Pauling)1.552.28
Electron affinity-0.5 eV1.137 eV
Density7300 kg/m³1.240000e+4 kg/m³
Melting point1245.85 °C1963.85 °C
Boiling point2060.85 °C3694.85 °C
Discovery year17741803