Ionic Bonding and Ionic Compounds MCQ Questions and Answers Quiz

21. Oxygen forms an ion with a charge of

  1. -2
  2. 2+
  3. -3
  4. 3+

22. Predict the charge of the most stable ion of P

  1. 2+
  2. -3
  3. 3+
  4. -1

23. Predict the charge of the most stable ion of S

  1. 3+
  2. -1
  3. -2
  4. 2+

24. Predict the formula of the ionic compound that forms from aluminum and oxygen.

  1. AlO
  2. Al3O2
  3. Al2O3
  4. AlO2

25. Predict the formula of the ionic compound that forms from Calcium and Fluorine.

  1. CaF2
  2. C2F
  3. Ca2 F2
  4. Ca2F3

26. Predict the formula of the ionic compound that forms from magnesium and fluorine.

  1. Mg2F3
  2. MgF
  3. MgF2
  4. Mg3F2

27. Predict the formula of the ionic compound that forms from magnesium and oxygen.

  1. Mg2O
  2. MgO
  3. MgO2
  4. Mg2O2

28. Sodium forms an ion with a charge of

  1. 1+
  2. -1
  3. 2+
  4. -2

29. Sulfur forms an ion with a charge of

  1. 2+
  2. -2
  3. 3+
  4. -6

30. The charge on the iron ion in the salt Fe2O3 is

  1. 1
  2. 2
  3. 3
  4. -5
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