RHODIUM

Atomic Number: 45
Mass Number: 102.9
Electron Configuration: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d⁷
Density: 12.41 g/cm³
Crystal Structure: Face-Centered Cubic
Melting Point: 1966^oC
Atomic Radius: 134 pm
Oxidation States: +2, +3, +4, +5, +6