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Structure of the Atom — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The particle not present in an ordinary hydrogen atom is:
  • A
    Proton.
  • B
    Neutron.
  • C
    Nucleus.
  • D
    Electron.
✓

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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