Cf
Californium Symbol (Cf)
Californium is element 98 of the periodic table. Copy its symbol Cf and see its atomic weight, electron configuration and physical properties.
What does Cf mean?
Cf is the chemical symbol for californium, element number 98 in the periodic table. Californium is an actinide in the f-block, period 7. It is a solid at room temperature and was discovered in 1950.
Codes and properties
| Chemical symbol | Cf |
|---|---|
| Atomic number (Z) | 98 |
| Mass number (no standard atomic weight) | [251] |
| Group / period | f-block / 7 |
| Element category | actinide |
| Electron configuration | [Rn]7s² 5f¹⁰ |
| State at 20 °C | Solid |
| Oxidation states | +3 |
| Electronegativity (Pauling) | 1.3 |
| Melting point | 1173 K (899.85 °C) |
| Discovered | 1950 |
How to type Cf
- Plain text: type
Cf— 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{Cf}in math mode, or use the mhchem package:\ce{Cf}. - HTML:
Cf; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for californium?
The chemical symbol for californium is Cf.
What is the atomic number of californium?
Californium has atomic number 98, meaning each atom has 98 protons.
What is the electron configuration of californium?
The ground-state electron configuration of californium is [Rn]7s² 5f¹⁰.
Related symbols
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Reference: Californium on PubChem (NIH)