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Option 3 : Neutron
The correct answer is Neutron.
- The hydrogen (H) atom does not have any neutrons in its tiny nucleus.
- It has only one electron (-ve charged) and one proton (+ve charged).
- The first isotope of Hydrogen called Protium has no neutron in its atom.
- Neutrons are the particles in an atom that has a neutral charge.
- Deuterium is a hydrogen atom with an extra neutron and tritium has two extra created by nuclear fusion.
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