noun
- a radioactive metallic chemical element with the symbol Bk and atomic number 97
Usage: chemistry
Examples
- Berkelium was first synthesized in 1949 at the University of California, Berkeley.
- The element berkelium is named after the city where it was discovered.
- Berkelium-247 has a half-life of about 1,380 years.
- Scientists use berkelium in research on superheavy elements.
- Only small amounts of berkelium have ever been produced.
- Berkelium is classified as an actinide on the periodic table.