Questions for Chap 23.2 Radioactive Decay

Answer these questions clearly and completely.

1. Name the three types of radioactive decay and the Greek letters used to represent them:
   
    
     
   
2. If there was a beta emitter on the table, how far away should you stand from it to be safe?
   
    
3. After radioactive decay, a atom might have a different ______________   _________________ or a different ______________   _________________
4. Which two radioactive decays release particles ?
   
    
5. Which radioactive decay releases energy ?
   
    
6. In paragraph form, compare and contrast alpha and beta particles.
   
    
    
    
    
     
    
   
7. In paragraph form, compare and contrast alpha and gamma particles.
   
    
    
    
    
8. Complete the table

   Decay path	Particle emitted
   23892U   becomes   23490Th	alpha particle
   23490Th   becomes   23491Pa
   22286Rn   becomes   21884Po
   21482Pb   becomes   21483Bi
   21082Pb   becomes   21083Bi
   209F   becomes   167N
   167N   becomes   168O