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5 Written questions

5 Matching questions

  1. 18 and 40 Ar
  2. 20 and 40 Ca
  3. 6 and 12 C
  4. 3 and 7 Li
  5. 4 and 9 Be
  1. a Lithium
  2. b Calcium
  3. c Beryllium
  4. d Argon
  5. e Carbon

5 Multiple choice questions

  1. Chlorine
  2. Boron
  3. Silicon
  4. Oxygen
  5. Phosphorus

5 True/False questions

  1. 12 and 24 MgMagnesium

          

  2. 16 and 32 SSulfur

          

  3. 11 and 23 NaNeon

          

  4. 13 and 27 AlAluminum

          

  5. 1 and 1 HHydrogen