← Back to periodic table
Rhodium (Rh)
Atomic number: 45 · Category: transition metal · Group 9 · Period 5 · Phase: Solid
Rhodium is a chemical element with symbol Rh and atomic number 45. It is a rare, silvery-white, hard, and chemically inert transition metal. It is a member of the platinum group.
Atomic mass: 102.905502
Density: 12.41
Melting point: 2237 K
Boiling point: 3968 K
Appearance: silvery white metallic
Source: Wikipedia
Block: d
Molar heat: 24.98
CPK color:#0a7d8c
Electronic structure
Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d8
Configuration (semantic): [Kr] 4d8 5s1
Shells: 2, 8, 18, 16, 1
Electronegativity (Pauling): 2.28
Electron affinity: 110.27
Ionization energies: 719.7, 1740, 2997
Periodic position
Group: 9
Period: 5
xpos: 9
ypos: 5
Spectral/Bohr images
Image
3D Model