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ChemistryChemistry
14 August, 23:11

Which radioisotope is naturally occurring?

94238Pu

13H

96242Cm

103258Lr

+5
Answers (1)
  1. 14 August, 23:28
    0
    I think the answer is 13H

    Explanation:

    The best known example of a naturally-occurring radioisotope is uranium. All but 0.7 per cent of naturally-occurring uranium is uranium-238; the rest is the less stable, or more radioactive, uranium-235, which has three fewer neutrons in its nucleus.
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