Rh
Rhodium Symbol (Rh)
Rhodium is element 45 of the periodic table. Copy its symbol Rh and see its atomic weight, electron configuration and physical properties.
What does Rh mean?
Rh is the chemical symbol for rhodium, element number 45 in the periodic table. Rhodium is a transition metal in group 9, period 5. It is a solid at room temperature and was discovered in 1803.
Codes and properties
| Chemical symbol | Rh |
|---|---|
| Atomic number (Z) | 45 |
| Atomic weight (PubChem) | 102.9055 |
| Group / period | 9 / 5 |
| Element category | transition metal |
| Electron configuration | [Kr]5s¹ 4d⁸ |
| State at 20 °C | Solid |
| Oxidation states | +3 |
| Electronegativity (Pauling) | 2.28 |
| Melting point | 2237 K (1963.85 °C) |
| Boiling point | 3968 K (3694.85 °C) |
| Density | 12.4 g/cm³ |
| Discovered | 1803 |
How to type Rh
- Plain text: type
Rh— element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as H₂O — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Rh}in math mode, or use the mhchem package:\ce{Rh}. - HTML:
Rh; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for rhodium?
The chemical symbol for rhodium is Rh.
What is the atomic number of rhodium?
Rhodium has atomic number 45, meaning each atom has 45 protons.
What is the electron configuration of rhodium?
The ground-state electron configuration of rhodium is [Kr]5s¹ 4d⁸.
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Reference: Rhodium on PubChem (NIH)