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MCQ:

The energy needed to detach an electron from potassium atom is equal to its

  1. first ionization energy
  2. second ionization energy
  3. third ionization energy
  4. bond energy

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Lewis Concept App (Android & iOS)

Lewis Concept App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (iOS & Android)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (iOS & Android)