Multiple Choice
What is the parent nuclide of the nuclear reaction that produces the daughter nuclide Hg-208 when undergoing beta decay?
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21. Nuclear Chemistry
Intro to Radioactivity
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Which of the following units takes into consideration the amount of damage to biological molecules?
A
Gy
B
rem
C
rad
D
Ci
Verified step by step guidance1
Understand the units provided: Gy (Gray), rem (Roentgen equivalent man), rad (Radiation absorbed dose), and Ci (Curie). Each of these units measures different aspects of radiation.
Gy (Gray) is a unit of absorbed radiation dose, which measures the amount of radiation energy absorbed per unit mass of tissue. It does not directly account for biological damage.
Rad (Radiation absorbed dose) is similar to Gy, as it also measures the absorbed dose of radiation but in different units. Like Gy, it does not consider biological damage.
Ci (Curie) is a unit of radioactivity, measuring the number of radioactive decays per second. It does not directly relate to biological damage.
Rem (Roentgen equivalent man) is the unit that considers the biological effect of radiation. It accounts for the type of radiation and its impact on biological tissues, making it the correct answer for measuring damage to biological molecules.
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