What happens to the half-life of a radioactive substance as it decays?
A) It decreases.
B) It remains constant.
C) It increases.
Correct Answer:
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Q20: In radioactive dating, carbon-14 is often used.
Q21: Cosmic rays react with what atmospheric atoms
Q22: Alpha decay reduces the atomic and mass
Q23: A becquerel (Bq) is
A) 3.70 × 1010
Q24: Carbon-14 dating can reliably date ancient archeological
Q26: The binding energy of most nuclei is
Q27: Which of the following is NOT a
Q28: The binding energy per nucleon
A) is approximately
Q29: The neutron-proton stability curve of the isotopes
Q30: Stable nuclei with mass numbers greater than
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