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O Level Chemistry Quiz App Download - Valence Electrons Apps (Android & iOS)

O Level Chemistry Quiz - Complete Course

Valence Electrons Quiz App Download & e-Book - 436

Apps:

O Level Chemistry App (Play Store) O Level Chemistry App (App Store)
MCQ: 436

The first element in the periodic table to have 8 valence electrons in the third shell is

  1. silicon
  2. chlorine
  3. argon
  4. potassium

O Level Chemistry App & e-Book Tests PDF Download

Valence Electrons Learning App: Free Download Android & iOS

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Valence Electrons Apps (Android & iOS)

Valence Electrons App

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O Level Chemistry App

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