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5 April, 12:03

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

O It is an exact measure of the decay of an individual atom.

O It measures the tendency of a radioisotope to decay radioactively

O It is affected by the concentration of the radioactive substance that is present

It can be calculated based on neutron number

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Answers (2)
  1. 5 April, 12:08
    0
    B

    Explanation:

    edg
  2. 5 April, 12:09
    0
    It measures the tendency of a radioactive isotope to decay

    Explanation:

    The half life period of any radio active substance is the time required to decay half of its total quantity. Thus it measures the tendency of a radioactive substance to decay.

    It is independent of the original quantity of matter present.
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