Protons, Electrons and Neutrons MCQs Test Online PDF Download

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MCQ on Protons, Electrons and NeutronsQuiz PDF Download

MCQ: Number of proton, neutron and electron in sulfide ion is respectively

  1. 16,17 and 18
  2. 17,16 and 18
  3. 18,17 and 16
  4. 18,16 and 17

A

MCQ: Number of electrons (e-) are always equal to number of protons(p+) in a

  1. neutral atom
  2. positive ion
  3. negative ion
  4. isotope

A