Multiple choice

Which of the following statements is NOT true for sub-atomic particles in an element?

  1. Number of protons is equal to the number of electrons.

  2. Number of protons can be greater than number of neutrons.

  3. Number of nucleons can be equal to number of electrons.

  4. Every element consists of proton, electron and neutron.

  5. Number of neutrons can be variable in an element.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hydrogen atom does not have any neutron.

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