code: public IAtom configure(IAtom atom, IIsotope isotope) {
          atom.setMassNumber(isotope.getMassNumber());
          atom.setSymbol(isotope.getSymbol());
          atom.setExactMass(isotope.getExactMass());
          atom.setAtomicNumber(isotope.getAtomicNumber());
          atom.setNaturalAbundance(isotope.getNaturalAbundance());
          return atom;
      }
docs: Configures an atom to have all the data of the
  given isotope.
  
  @param  atom     The atom to be configure
  @param  isotope  The isotope to read the data from
  @return          The configured atom