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5 Written questions

5 Matching questions

  1. 12 and 24 Mg
  2. 19 and 39 K
  3. 6 and 12 C
  4. 14 and 28 Si
  5. 10 and 20 Ne
  1. a Potassium
  2. b Carbon
  3. c Magnesium
  4. d Neon
  5. e Silicon

5 Multiple choice questions

  1. Sodium
  2. Phosphorus
  3. Flourine
  4. Sulfur
  5. Oxygen

5 True/False questions

  1. 5 and 11 BBoron

          

  2. 20 and 40 CaNeon

          

  3. 1 and 1 HPhosphorus

          

  4. 7 and 14 NHydrogen

          

  5. 2 and 4 HeHelium