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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
Beta particles are essentially:
  • A
    Neutrons
  • B
    Protons
  • ✓
    Electrons
  • D
    Helium nuclei
✓

Answer

Correct option: C.
Electrons
Beta particles are emitted when an element decays by radioactive $\beta$ decay.
The particles are essentially $[e−]$ electrons.

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