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Structure of the Atom — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
Question
The particle not present in an ordinary hydrogen atom is:
✓

Answer

  1. Neutron.
Explanation:
A hydrogen atom 11HH11 has 1 proton and 1 electron, but it does not have any neutron.

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