Multiple choice general knowledge science & technology

What element is deuterium an isotope of?

  1. Hydrogen

  2. Carbon

  3. Nitrogen

  4. Sulfur
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A Correct answer
Explanation

Deuterium is a stable isotope of hydrogen with one proton and one neutron in its nucleus, unlike common hydrogen (protium) which has only a proton. It's also called 'heavy hydrogen' and is used in nuclear reactors and biochemical research. Carbon, nitrogen, and sulfur are completely different elements.

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