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O Level Chemistry Exam Prep: Certification Test 691

Proton and Nucleon Number MCQ App & e-Book: MCQ 691

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MCQ: 691

If nucleon and neutron numbers are 27 and 14 respectively, the number of electrons will be

  1. 12
  2. 18
  3. 13
  4. 15
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Proton & Nucleon Number Exam Prep: O Level Chemistry App & eBook MCQ

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Proton and Nucleon Number MCQ App (iOS & Android)

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