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What the name means: Berkelium was named after the Berkeley, California, USA where the Berkeley Laboratory is situated
Who identified berkelium?: Stanley Gerald Thompson, Albert Ghiorso and their co-workers produced berkelium in 1949 by bombarding americium atoms with α (alpha) particles (helium nuclei).
STP = standard temperature and pressure.
About berkelium: Berkelium has been produced in milligramme amounts. Some forms of the atom (isotopes) have a half life of a few hundred days.
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