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SSC CGL 2020 PYQ — Question 40

SSC CGL - 9th March 2020 Shift 1 • General Awareness • Q40

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Protium, deuterium and tritium are the naturally occurring isotopes of:

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Correct answer: B

Explanation

The correct answer is option 2 i.e. Hydrogen.

  • Hydrogen (1H) has three naturally occurring isotopes, sometimes denoted 1H - protium, 2H - deuterium, and 3H - tritium.
  • Isotopes have the same number of protons but different in number of neutrons.
  • Hydrogen is the most unstable element of the periodic table.