45 Rh
Transition metal
Rhodium
Most expensive precious metal.
Properties of Rhodium
- Atomic number (Z)
- 45
- Symbol
- Rh
- Atomic mass
- 102.91 g/mol
- Category
- Transition metal
- Group
- 9
- Period
- 5
- Electron configuration
- [Kr] 4d⁸ 5s¹
- Electronegativity (Pauling)
- 2.28
- Atomic radius
- 173 pm
- First ionization energy
- 720 kJ/mol
- Melting point
- 2237 K (1963.8 °C)
- Boiling point
- 3968 K (3694.8 °C)
- Density
- 12.41 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1803
Frequently asked questions
What is Rhodium?
Rhodium (Rh) is a transition metal, element number 45 on the periodic table. Most expensive precious metal.
What is the atomic number and atomic mass of Rhodium?
Rhodium has atomic number 45 and an atomic mass of about 102.91 g/mol.
What is the electron configuration of Rhodium?
The electron configuration of Rhodium is [Kr] 4d⁸ 5s¹.
Where is Rhodium on the periodic table?
Rhodium sits in group 9, period 5, and is classified as a transition metal.