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Ionization Energy Periodic Table Learning App Download - College Chemistry Apps (Android & iOS)

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Ionization Energy Periodic Table MCQ App Download & e-Book PDF - 327

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MCQ: 327

The number of electrons in the valence shell of the first element of the period is

  1. two
  2. one
  3. three
  4. four

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Ionization Energy Periodic Table Apps (Android & iOS)

Ionization Energy Periodic Table App

College Chemistry Apps (Android & iOS)

College Chemistry App

10th Grade Chemistry Apps (Android & iOS)

10th Grade Chemistry App

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