A) 3 and 2
B) 2 and 1
C) 2 and 0
D) 3 and 1
Correct Answer: D
Solution :
Total number of isotopes of hydrogen are \[_{1}{{H}^{1}},\,\,{{\text{ }}_{\text{1}}}{{H}^{2}}\,\,\,\,{{\,}_{1}}{{H}^{3}},\] (P) (T) and only \[_{1}{{H}^{3}}\] or T is an radioactive isotope
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