Strontium vs Rhodium

PropertySr StrontiumRh Rhodium
Atomic number3845
SymbolSrRh
NameStrontiumRhodium
Categoryalkaline-earth-metaltransition-metal
Standard Atomic Weight87.62 u102.9055 u
Period55
Group29
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s2[Kr]5s14d8
Oxidation states[1, 2][-3, -1, 1, 2, 3, 4, 5, 6, 7]
Electronegativity (Pauling)0.952.28
Electron affinity0.052 eV1.137 eV
Density2640 kg/m³1.240000e+4 kg/m³
Melting point776.85 °C1963.85 °C
Boiling point1381.85 °C3694.85 °C
Discovery year17921803