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1. (n.) berkelium
a transuranic element.
Etymology: (1945–50; after Berkeley , California)
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| Definition of 'berkelium' |
Princeton's WordNet |
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1. (noun) berkelium, Bk, atomic number 97
a radioactive transuranic element; discovered by bombarding americium with helium
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| Definition of 'berkelium' |
U.S. National Library of Medicine |
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1. berkelium
Berkelium. A man-made radioactive actinide with atomic symbol Bk, atomic number 97, and atomic weight 247. Its valence can be +3 or +4. Twelve isotopes have been produced with mass numbers 240-251.
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Definitions of berkelium 
