The water molecules are weak field ligands. Th is radioactive. It is desired to determine the concentration of arsenic in a lake sediment sample by means of neutron activation analysis. As, which in turn undergoes beta decay. The daughter nuclide produces the characteristic gamma rays used for the analysis.
Radioactive elements decay via first-order kinetics.
A sample of this nuclide is allowed to decay to 107 minutes leaving 0.0235 grams remaining. If more than one neutron from each fission event causes another fission event, the fission situation is described as a. critical b. subcritical c. supercritical d. moderated e.