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Arrangement of Particles in Atom App's MCQ & e-Book PDF Download - 358

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MCQ 358:

Valence electrons refer to which of the following?

  1. total number of electrons in an atom
  2. total number of protons
  3. total number of electrons in the outermost shell
  4. total number of neutrons
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Arrangement of Particles in Atom App (Android & iOS)

Arrangement of Particles in Atom App (Android & iOS)

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O Level Chemistry App (iOS & Android)

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A level Chemistry App (Android & iOS)

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