1.   ELEMENTARY GOSPEL (CHEM 13 NEWS, November 1975, p. 977)                   
      And the Lord said unto uranium, “You shall lead a degenerate life,” and it
      was lead.
2.   Word search (see Appendix for master copy)
 

         

Words about the concepts in this module can be obtained from the clues
given. Find these words in the block of letters:

  1.    Nuclear particle containing two neutrons and two protons.
  2.    Particle that is an electron of nuclear origin.
  3.    Process of heavy nuclei breaking down into smaller nuclei called
         “daughters.”
  4.    Process wherein two small nuclei combine to form a larger, more stable,
         nucleus.
  5.    Time required for one-half of a given amount of a radioactive substance
         to decay. (2 words)
  6.    Nuclei of an element having the same number of protons but different
         numbers of neutrons.
  7.    Generic term for the emission of alpha, beta, or gamma rays.
  8.    Radiation absorbed dose, 10–5 joules/gram of body mass. (Abbrev.)
  9.    Describing the minimum mass of radioactive material needed to sustain
         fission.
10.    Substance that slows down neutrons in a fission reactor.

  Answers:  1. ALPHA   2. BETA   3. FISSION   4. FUSION   5. HALF-LIFE
  6.    ISOTOPES   7. RADIOACTIVITY   8. RAD   9. CRITICAL   10. MODERATOR

  3.    See cartoons at end of module.
 

  1.    CHEMStudy Film Transuranium Elements, available from Ward’s Natural                
         Science Establishment, Inc., P.O. Box 92912, Rochester, NY 14692-9978,
         (716) 334-6174.
 
 
 
 

TABLE OF CONTENTS TOPIC OVERVIEW CONCEPT/SKILLS DEVELOPMENT LINKS/CONNECTIONS EXTENSIONS