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Proton and Nucleon Number MCQs App Download & PDF e-Book - 458

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MCQ: 458

Extra stability is gained in the third shell if the number of electrons is

  1. 18
  2. 2
  3. 8
  4. 10

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Proton and Nucleon Number MCQs App (iOS & Android)

Proton and Nucleon Number MCQs App

Proton and Nucleon Number MCQs App (Android & iOS)

O Level Chemistry MCQs App

SAT Chemistry MCQs App (Android & iOS)

SAT Chemistry MCQs App

9th Grade Chemistry MCQs App (Android & iOS)

9th Grade Chemistry MCQs App