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  • Structure of Atom (Class IX)
  • Which of the following elements does not contain any neut...
Multiple choice

Which of the following elements does not contain any neutron?

  1. Helium

  2. Krypton

  3. Oxygen

  4. Hydrogen

  5. Sodium

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer as a hydrogen atom does not contain any neutrons.

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