Question

which isotope of hydrogen is used as heavy water​

Answer 1

dueterium is isotope hydrogen used as heavy water

Answer 2

✌✌Hey, mate here is your answer⤵

↪Deuterium

Deuterium is a hydrogen isotope with a nucleus containing a neutron and a proton; the nucleus of a protium (normal hydrogen) atom consists of just a proton. The additional neutron makes a deuterium atom roughly twice as heavy as a protium atom.

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