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Chemical Combinations App MCQs Download & e-Book - 1128

MCQ:

The valence electrons of Mg lies in

  1. 3s
  2. 3p
  3. 3d
  4. 2s

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Chemical Combinations App (Android & iOS)

Chemical Combinations App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (iOS & Android)

A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (iOS & Android)