No more will the creators of a new element be able to name it after a famous scientist( lawrencium), city( berkelium), or sate( californium). 新元素的发现者不能再将该元素以某位著名科学家的名字(,铹)城市的名称(,锫)州的名称(,锎)名。
berkelium
[ noun ] a radioactive transuranic element; discovered by bombarding americium with helium <noun.substance>
berkelium \ber*ke"li*um\ (b[~e]r*k[=e]"l[-e]*[u^]m), n. [from the city of Berkeley, California, location of the University of California campus where it was discovered.] a chemical element of the transuranic series. Chemical symbol Bk; atomic number 97; atomic weight 247. It is a radioactive element, with no stable isotopes; the longest-lived isotope is of mass number 247.07, decaying by alpha-emission with a half-life of 1,400 years. The isotope with atomic weight 249 has a half-life of 314 days, and was isolated in weighable quantities.