Look up: berkelium

1. 
   Berkelium
   Berkelium is a radioactive metallic element produced by bombarding americium 241 with helium ions. It has the symbol Bk.
   Found on http://www.encyclo.co.uk/nol.php
   
   
2. 
   berkelium
   [n] - a radioactive transuranic element
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. 
   Berkelium
   A transuranic element and member of the actinide series. Symbol BkDiscoveredFirst synthesized in 1949 by the American scientific team under the American chemist Glenn T. Seaborg
   Found on http://www.diracdelta.co.uk/science/sour
   
   
4. 
   berkelium
   a radioactive metallic element discovered by bombarding américium 241 with helium ious-symbol Bk. Category: Chemistry • chemical element:atomic number 97 Category: Chemistry
   Found on http://www.mijnwoordenboek.nl/definition
   
   
5. 
   berkelium
   <chemical> 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. ... Chemical name: Berkelium ... (12 Dec 1998) ...
   Found on http://cancerweb.ncl.ac.uk/cgi-bin/omd?b
   
   
6. 
   berkelium
   Bk noun a radioactive transuranic element; discovered by bombarding americium with helium
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
7. 
   Berkelium
   `Bk` redirects here. For other uses of the abbreviation, see BK.` `Berkelium` ( or ) is a synthetic element with the symbol `Bk` and atomic number 97. A radioactive metallic element in the actinide series, berkelium was first synthesized by bombarding americium with alpha particles (helium ions) and was named after Berkeley, California and the University of California, Berkeley. Berkelium was the fifth transuranic el...
   Found on http://en.wikipedia.org/wiki/Berkelium
   
   
8. 
   berkelium
   (Bk) (burk´le-әm) a chemical element, atomic number 97, atomic weight 247.
   Found on http://www.mercksource.com/pp/us/cns/cns
   
   
9. 
   berkelium
   synthetic chemical element of the actinoid series of the periodic table, atomic number 97. Not occurring in nature, berkelium (as the isotope ... [1 related articles]
   Found on http://www.britannica.com/eb/a-z/b/52
   
   
10. 
    berkelium
    An artificial transuranium radioactive element; atomic no. 97, atomic wt. 247.07. [Berkeley, CA, city where first prepared]
    Found on http://www.stedmans.com/section.cfm/45
    
    
11. 
    berkelium
    (Bk) A synthetic, radioactive, metallic element of the actinide series; also a transuranic element. It was first made in 1949 by alpha particle bombardment of americium-241 by S. G. Thompson and coworkers at the University of California at Berkeley (after which it is named). It ...
    Found on http://www.daviddarling.info/encyclopedi
    
    
12. 
    berkelium
    berkelium (bûr'klēum) [from Berkeley], artificially produced radioactive chemical element; symbol Bk; at. no. 97; mass no. of most stable isotope 247; m.p. about 1,050°C; b.p. about 2,590°C; sp. gr. 14 (estimated); valence +3, +4. Berkelium is believed to be similar to the oth...
    Found on http://www.infoplease.com/ce6/sci/A08071