Berkelium was a step on the way to discover new artificial elements.
Largely hypothetical. Berkelium is a transuranic element, and perhaps a gram of berkelium has ever existed in all of human history. (If you really want to know anyway, despite the information having no practical use, I suggest Wikipedia, which has a good article on berkelium.)
berkelium is synthetic
berkelium is american
Berkelium is extremely rare, radioactive and unstable; berkelium is not for sale.
Berkelium has the valences 3+ and 4+.
Berkelium is a synthetic element that is typically produced in nuclear reactors by bombarding heavier elements with neutrons. It is named after the University of California, Berkeley. Berkelium is radioactive and has applications in nuclear research and the production of other transuranium elements.
Berkelium has 97 electrons.
Berkelium has 97 electrons.
Berkelium is an artificial element.
We haven't berkelium in the body.
Berkelium is a metal.
Any item has berkelium inside.