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SSC CHSL 2019 PYQ — Question 32

SSC CHSL - 8th July 2019 - Shift 1 • General Awareness • Q32

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_______ are stable, negatively charged particles found in all atoms.

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Correct answer: B

Explanation

The correct answer is option 2, i.e. Electrons. 

_______ are stable, negatively charged particles found in all atoms.

Electrons

What is Electrons?
  • The electron is a subatomic particle, symbol e⁻ or β⁻, whose electric charge is negative one elementary charge.
  • Electrons belong to the first generation of the lepton particle family and are generally thought to be elementary particles because they have no known components or substructure.

Who discovered these particles?
  • Electron - J J Thomson
  • Proton - Ernest Rutherford
  • Neutron - Sir James Chadwick