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       #Post#: 1026--------------------------------------------------
       Solve-simple nuclear chem problem
   DIR By: Michel
       Date: October 31, 2012, 12:39 am
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       While the POTW lies low i thought it nice to post this....
       A piece of rock from an archaeological excavation contains
       2.55mg of U-238 atoms and 2.00mg Pb-206 atoms. Calculate the age
       of the rock.
       #Post#: 1027--------------------------------------------------
       Re: Solve-simple nuclear chem problem
   DIR By: Cheminized
       Date: October 31, 2012, 3:05 pm
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       the best i can do is 4.16 billion years ;D
       #Post#: 1028--------------------------------------------------
       Re: Solve-simple nuclear chem problem
   DIR By: Michel
       Date: October 31, 2012, 3:44 pm
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       Yes thats correct. Pretty easy :p
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