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.
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