1. Question: What nuclide is formed when Iodine-125 undergoes decay by electron capture?
2. Question: Which of the following forms of radiation has no mass?
3. Question: Which process increases the atomic number of an element by one?
4. Question: Rank the following in order of increasing penetrating ability: alpha particles, beta particles,
gamma rays.
5. Question: Which nuclide is formed when Gallium-68 decays by positron emission?
6. Question: Radon-222 decays by alpha emission to form a new nuclide. Identify
the new nuclide.
7. Question: Predict the reaction that would result from the beta decay of Carbon-14 Be sure to identify all
products in isotope form (4 points):
8. Question: Glycogen falls in which category below:
9. Question: A biomolecule is formed from the reaction of three unsaturated fatty acids with a glycerol.
Predict the resulting biomolecule:
10. Question: Write three of the functions of lipids in our bodies. (1 point for each)
11. Question: An isotope has a half life of 8 hours. How many grams of a 140 gram sample of this material
will remain after 16 hours? (3 points)
2. Question: Which of the following forms of radiation has no mass?
3. Question: Which process increases the atomic number of an element by one?
4. Question: Rank the following in order of increasing penetrating ability: alpha particles, beta particles,
gamma rays.
5. Question: Which nuclide is formed when Gallium-68 decays by positron emission?
6. Question: Radon-222 decays by alpha emission to form a new nuclide. Identify
the new nuclide.
7. Question: Predict the reaction that would result from the beta decay of Carbon-14 Be sure to identify all
products in isotope form (4 points):
8. Question: Glycogen falls in which category below:
9. Question: A biomolecule is formed from the reaction of three unsaturated fatty acids with a glycerol.
Predict the resulting biomolecule:
10. Question: Write three of the functions of lipids in our bodies. (1 point for each)
11. Question: An isotope has a half life of 8 hours. How many grams of a 140 gram sample of this material
will remain after 16 hours? (3 points)
