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rhodiummore about rhodium

rhodium


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Rhodium  \Rho"di*um\,  n.  [NL.,  fr  Gr  "ro`don  the  rose.  So 
  called  from  the  rose-red  color  of  certain  of  its  solutions. 
  See  {Rhododendron}.]  (Chem.) 
  A  rare  element  of  the  light  platinum  group  It  is  found  in 
  platinum  ores,  and  obtained  free  as  a  white  inert  metal  which 
  it  is  very  difficult  to  fuse.  Symbol  Rh  Atomic  weight  104.1. 
  Specific  gravity  12. 
 
  From  WordNet  r  1.6  [wn]: 
 
  rhodium 
  n  :  a  white  hard  metallic  element  that  is  one  of  the  platinum 
  group  and  is  found  in  platinum  ores;  used  in  alloys  with 
  platinum  [syn:  {Rh},  {atomic  number  45}] 
 
  From  Elements  database  20001107  [elements]: 
 
  rhodium 
  Symbol:  Rh 
  Atomic  number:  45 
  Atomic  weight:  102.905 
  Silvery  white  metallic  transition  element.  Found  with  platinum  and  used  in 
  some  platinum  alloys.  Not  attacked  by  acids,  dissolves  only  in  aqua  regia. 
  Discovered  in  1803  by  W.H.  Wollaston. 
 
 




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