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berkelium

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berkelium


  2  definitions  found 
 
  From  WordNet  r  1.6  [wn]: 
 
  berkelium 
  n  :  a  radioactive  transuranic  element;  discovered  by  bombarding 
  americium  with  helium  [syn:  {Bk},  {atomic  number  97}] 
 
  From  Elements  database  20001107  [elements]: 
 
  berkelium 
  Symbol:  Bk 
  Atomic  number:  97 
  Atomic  weight:  (247) 
  Radioactive  metallic  transuranic  element.  Belongs  to  actinoid  series. 
  Eight  known  isotopes,  the  most  common  Bk-247,  has  a  half-life  of 
  1.4*10^3  years.  First  produced  by  Glenn  T.  Seaborg  and  associates  in  1949 
  by  bombarding  americium-241  with  alpha  particles. 
 
 




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