Bk
Berkelium Symbol (Bk)
Berkelium is element 97 of the periodic table. Copy its symbol Bk and see its atomic weight, electron configuration and physical properties.
What does Bk mean?
Bk is the chemical symbol for berkelium, element number 97 in the periodic table. Berkelium is an actinide in the f-block, period 7. It is a solid at room temperature and was discovered in 1949.
Codes and properties
| Chemical symbol | Bk |
|---|---|
| Atomic number (Z) | 97 |
| Mass number (no standard atomic weight) | [247] |
| Group / period | f-block / 7 |
| Element category | actinide |
| Electron configuration | [Rn]7s² 5f⁹ |
| State at 20 °C | Solid |
| Oxidation states | +4, +3 |
| Electronegativity (Pauling) | 1.3 |
| Melting point | 1323 K (1049.85 °C) |
| Density | 14 g/cm³ |
| Discovered | 1949 |
How to type Bk
- Plain text: type
Bk— 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{Bk}in math mode, or use the mhchem package:\ce{Bk}. - HTML:
Bk; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for berkelium?
The chemical symbol for berkelium is Bk.
What is the atomic number of berkelium?
Berkelium has atomic number 97, meaning each atom has 97 protons.
What is the electron configuration of berkelium?
The ground-state electron configuration of berkelium is [Rn]7s² 5f⁹.
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Reference: Berkelium on PubChem (NIH)