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Indian Navy SSR Chemistry — practice questions

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Protium, deuterium and tritium are all forms (isotopes) of which element?Read the answer and worked solution →

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Protium, deuterium and tritium are all forms (isotopes) of which element?

  1. Helium
  2. Nitrogen
  3. Carbon
  4. Hydrogen
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Correct answer: D. Hydrogen

1. Isotopes are atoms of the same element with different numbers of neutrons. 2. Protium, deuterium and tritium each have one proton. 3. An atom with one proton is hydrogen, so they are isotopes of hydrogen. _Source: RRB Group D (RRC) PYQ, held 27-10-2013, Q.35._

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