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  Berkeley, Sir William Berkshire  
CONTENTS · INDEX · ILLUSTRATIONS · BIBLIOGRAPHIC RECORD
   The American Heritage® Dictionary of the English Language: Fourth Edition.  2000.
 
berkelium
 
SYLLABICATION:ber·ke·li·um
PRONUNCIATION:  br-kl-m, bûrkl-m
NOUN:Symbol Bk A synthetic transuranic radioactive element having 9 isotopes with mass numbers from 243 to 250 and half-lives from 3 hours to 1,380 years. Atomic number 97; melting point 986°C; valence 3, 4. See table at element.
ETYMOLOGY:After Berkeley, California.
 
 
The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.

CONTENTS · INDEX · ILLUSTRATIONS · BIBLIOGRAPHIC RECORD
  Berkeley, Sir William Berkshire  
 
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