Berkelium

Berkelium is a synthetic chemical element with the symbol Bk and atomic number 97. It belongs to the actinide series on the periodic table and was first created in 1949. Berkelium is a radioactive metal that is not found naturally in the earth's crust and is primarily produced in nuclear reactors or particle accelerators. Due to its radioactivity, berkelium has limited practical applications, mainly in scientific research. It is named after the city of Berkeley, California, where it was discovered, reflecting its association with the University of California, Berkeley.