nuclear chem

Popular questions
  1. Nuclear chem

    electron decay transforms 40 K 19 into what nuclide?

    asked by Gabe on March 3, 2008
  2. Nuclear Chem

    the nuclide 232 Th 90 is radioactive. when one of the atoms decays, a series of alpha and beta particle emission occurs, taking the atom through many transformations to end up as an atom of 208 Pb 82. How many alpha particles are emitted in converting 232

    asked by Gabe on March 3, 2008
  3. nuclear chem

    i need help solving this. Can you guys show me how it's done. Radium-226 decays by alpha emission to radon-222, a noble gas.What volume of pure Radon- 222 at 23oC and 785mmHg could be obtained from 543.0 mg of radium bromide,RaBr2 in a period of 20.2

    asked by kenny on August 5, 2007
  4. nuclear chem

    which of the following choices correctly describes the decreasing ability of the radiation to penetrate a sheet of lead that is 3 inches thick? A. alpha particles > beta particles > gamm rays B. gamma rays > alpha particles > beta particles C. alpha

    asked by james on April 21, 2007