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Reference Tables

Table N: Selected radioisotopes Use information on Table N to:
. Solve Half-life related problems

. Determine decay mode

. Write radioactive decay equation (use
with Table O)
. Determine radioisotopes for
radioactive dating and medical uses.

43. How long will it take for Ca-37 to
undergo 4 half-life periods.
44. A Radioisotope undergoes three
half-lives in approximately 4800 years.
What is the name (or symbol ) of this
radioisotope?

45. Give two reasons why Ca-37 a better
radioisotope for medical treatment
than C-14?

46. What is the mass and charge of a
particle release by K-37 as it decays?

47. What is the half-life of a
radioisotope that is commonly use in
treatment of thyroid disorders.

48. What is the decay mode of a
radioisotope that is commonly use in
treatment of brain tumor.
49. Write a balance decay equation for
each of the following radioisotopes.

Potassium-37

Plutonium-239

Technetium-99

Table O: Symbols Used in Nuclear Chemistry Use information on Table O to:

.Determine mass, charge and symbol of
nuclear radiations and subatomic
particles.

. Write nuclear decay equations (Use
with Table N)

50. Which nuclear emanation has a
mass of 1 and a charge of 0?

51. Which radiation is composed only
of energy?

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