45 Rh 102.906
Rhodium
transition metal
Properties
- Atomic number
- 45
- Atomic mass
- 102.906 u
- Category
- transition metal
- Group
- 9
- Period
- 5
- Block
- d-block
- State (room temp)
- Solid
- Outer-shell electrons
- 1
- Electronegativity
- 2.28 (Pauling)
- Density
- 12.41 g/cm³
- Melting point
- 1963.85 °C
- Boiling point
- 3694.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s¹ 4d⁸
Noble-gas shorthand: [Kr] 4d⁸ 5s¹
Electrons per shell: 2, 8, 18, 16, 1 — that's 1 in the outermost shell.
About Rhodium
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.
- Discovered by William Hyde Wollaston
- Appearance: silvery white metallic
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.