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Modern Periodic Table App's Quiz & e-Book PDF Download - 366

MCQ 366:

In the group from top to bottom the electron affinity

  1. increases
  2. decreases
  3. remain same
  4. fluctuate

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Modern Periodic Table App (Android & iOS)

Modern Periodic Table App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (iOS & Android)

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O Level Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (iOS & Android)