Which of the following elements is not radio-active? (a) Radium (b) Plutonium
(c) Zirconium (d) Uranium
..plzz give me correct answer with reason..and give answer when u r confident with Ur reason
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Cadmium is Non radioactive element
and these all are Radioactive element
your options are wrong
and these all are Radioactive element
your options are wrong
soundaryabalaji:
oh fyn but I came to know that zirconium is the most radioactive element
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