Q. Which of the following is not an isotope of hydrogen?

(A) Tritium
(B) Deuterium
(C) Protium
(D) Yttrium

✅ Correct Answer: (D) Yttrium

Published by Brijesh Goswami ⭐ 9.45K Points at 30-Jun-2021 07:01 am in Science

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