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प्रश्न
Radioactive elements emit α, β and γ rays and are characterised by their half-lives. The radioactive isotope of hydrogen is ______.
विकल्प
Protium
Deuterium
Tritium
Hydronium
उत्तर
Radioactive elements emit α, β and γ rays and are characterised by their half-lives. The radioactive isotope of hydrogen is tritium.
Explanation:
Nucleides with n/p (neutron-proton) ratio > 1.5 are usually radioactive. For example, tritium (n = 2,p = 1).
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