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
- 16,17 and 18
- 17,16 and 18
- 18,17 and 16
- 18,16 and 17
MCQ: Number of electrons (e-) are always equal to number of protons(p+) in a
- neutral atom
- positive ion
- negative ion