Cd
Cadmium Symbol (Cd)
Cadmium is element 48 of the periodic table. Copy its symbol Cd and see its atomic weight, electron configuration and physical properties.
What does Cd mean?
Cd is the chemical symbol for cadmium, element number 48 in the periodic table. Cadmium is a transition metal in group 12, period 5. It is a solid at room temperature and was discovered in 1817.
Codes and properties
| Chemical symbol | Cd |
|---|---|
| Atomic number (Z) | 48 |
| Atomic weight (PubChem) | 112.41 |
| Group / period | 12 / 5 |
| Element category | transition metal |
| Electron configuration | [Kr]5s² 4d¹⁰ |
| State at 20 °C | Solid |
| Oxidation states | +2 |
| Electronegativity (Pauling) | 1.69 |
| Melting point | 594.22 K (321.07 °C) |
| Boiling point | 1040 K (766.85 °C) |
| Density | 8.69 g/cm³ |
| Discovered | 1817 |
How to type Cd
- Plain text: type
Cd— 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{Cd}in math mode, or use the mhchem package:\ce{Cd}. - HTML:
Cd; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for cadmium?
The chemical symbol for cadmium is Cd.
What is the atomic number of cadmium?
Cadmium has atomic number 48, meaning each atom has 48 protons.
What is the electron configuration of cadmium?
The ground-state electron configuration of cadmium is [Kr]5s² 4d¹⁰.
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Reference: Cadmium on PubChem (NIH)