Worksheet: Uses of Radioisotopes

In this worksheet, we will practice describing the applications of radioisotopes and explaining the importance of decay rate and penetrating power.

Q1:

The dissolution or precipitation of silver(I) chloride in water is an equilibrium process, as shown. AgCl()Ag()+Cl()saqaq+ How could radioactive nuclides be used to show that this reaction is a dynamic equilibrium?

  • AA nonradioactive sample of AgCl becomes more soluble when exposed to aqueous unstable Ag+ or Cl ions.
  • BA radioactive sample of AgCl becomes less radioactive when stored in water.
  • CA nonradioactive sample of AgCl becomes more radioactive when exposed to aqueous unstable Ag+ or Cl ions.
  • DThe apparent half-life of a radioactive sample of AgCl increases when it is exposed to aqueous unstable Ag+ or Cl ions.
  • EAqueous unstable Ag+ and Cl ions precipitate from a hot aqueous solution to form nonradioactive AgCl.

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