Which of the following is not an isotope of hydrogen?

1 Protium

2 Yitrium

3 Deuterium

4 Tritium

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Which of the following is not an isotope of hydrogen? 1 Protium 2 Yitrium 3 Deuterium 4 ..

Answer / guest

(3) Yitrium

Is This Answer Correct ?    22 Yes 5 No

Which of the following is not an isotope of hydrogen? 1 Protium 2 Yitrium 3 Deuterium 4 ..

Answer / nilesh mishra

2 Yitrium

Is This Answer Correct ?    12 Yes 1 No

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