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27 July, 17:21

Which statement about the half life of a radioactive sample is true?

a.) it is an exact measure of the decay of an individual atom.

b.) it measures the tendency of a radioisotope to decay radioactively.

c.) it is affected by the concentration of the radioactive substance that is present.

d.) it can be calculated based on neutron number.

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Answers (2)
  1. 27 July, 17:46
    0
    It is an exact measure of the decay of an individual atom so A.
  2. 27 July, 17:50
    0
    The correct answer is B. it measures the tendency of a radioisotope to decay radioactively.
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