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Periodicity Exam Questions and Answers PDF Download: Test 3

MCQ 11: Across the period, atomic radius:

  1. increases
  2. decreases
  3. remains same
  4. constant

MCQ 12: The oxidation number of Period 3 element arises until it reaches the element:

  1. Aluminum (Al)
  2. Phosphorus (P)
  3. Sulfur (S)
  4. Silicon (Si)

MCQ 13: Oxygen has a higher electronegativity than:

  1. Silicon (Si)
  2. Magnesium (Mg)
  3. Chlorine (Cl)
  4. all of above

MCQ 14: The oxidation number of Si in SiCl4 is:

  1. +2
  2. +3
  3. +4
  4. +5

MCQ 15: Potassium oxide is a/an:

  1. acidic oxide
  2. basic oxide
  3. amphoteric oxide
  4. neutral oxide

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