Problem: Which of the following statements about radioactive isotopes is true?A. radioactive elements are natural and therefore not harmfulB. the energy emitted by radioactive isotopes can break chemical bonds and damage in cellsC. when given a choice between radioactive and nonradioactive isotopes of the same atom,living cells are more likely to incorporate the radioactive isotopes into their scructuresD. the nuclei of radioactive isotopes are usually stable but the atoms tend to lose electrons

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Radioactive isotopes

  • elements that have the same number of protons in their atomic nuclei but different number of neutrons
  • atoms contain unstable combination of neutrons and protons, or excess energy in their nucleus.


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Problem Details

Which of the following statements about radioactive isotopes is true?

A. radioactive elements are natural and therefore not harmful

B. the energy emitted by radioactive isotopes can break chemical bonds and damage in cells

C. when given a choice between radioactive and nonradioactive isotopes of the same atom,living cells are more likely to incorporate the radioactive isotopes into their scructures

D. the nuclei of radioactive isotopes are usually stable but the atoms tend to lose electrons

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