Ionic Bonding and Ionic Compounds MCQs Quiz Multiple Choice Questions & Answers

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

1. Mg₂O
2. MgO
3. MgO₂
4. Mg₂O₂

2. Sodium forms an ion with a charge of

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

3. Sulfur forms an ion with a charge of

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

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

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

5. The charge on the manganese in the salt MnCl₃ is

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

6. The correct formula of iron(III) bromide is

1. FeBr₂
2. FeBr₃
3. FeBr
4. Fe₃Br₃

7. The correct name for Al₂O₃ is

1. aluminum oxide
2. dialuminum oxide
3. dialuminum trioxide
4. aluminum hydroxide

8. The correct name for CaH₂ is

1. hydrocalcium
2. calcium dihydride
3. calcium hydride
4. calcium dihydroxide

9. The correct name for Cu(CN)₂ is

1. Copper (I) cyanide
2. Carbon cyanide
3. Carbon carbonate
4. Copper (II) cyanide

10. The correct name for K₂S is

1. potassium sulfate
2. potassium disulfide
3. potassium bisulfide
4. potassium sulfide

11. The correct name for Mg(ClO₃)₂ is

1. magnesium chlorate
2. manganese chlorate
3. magnesium chloroxide
4. magnesium perchlorate

12. The correct name for MgF₂ is

1. manganese difluoride
2. magnesium difluoride
3. monomagnesium difluoride
4. magnesium fluoride

13. The correct name for Na₂O₂ is

1. Sodium oxide
2. Sodium dioxide
3. Disodium oxide
4. Sodium peroxide

14. The correct name for SrO is

1. strontium oxide
2. strontium hydroxide
3. strontium peroxide
4. strontium monoxide

15. The correct name of the compound Na₃N is

1. sodium nitride
2. sodium azide
3. sodium trinitride
4. sodium(III) nitride

16. The formula for a salt is XBr. The X-ion in this salt has 46 electrons. The metal X is

1. Ag
2. Pd
3. Cd
4. Cu

17. The formula for aluminum hydroxide is

1. AlOH
2. Al₃OH
3. Al₂(OH)₃
4. Al(OH)₃

18. The formula of ammonium carbonate is

1. (NH₄)₂CO₃
2. NH₄CO₂
3. (NH₃)₂CO₄
4. (NH₃)₂CO₃

19. The ions Ca₂⁺ and PO₂^3- form a salt with the formula

1. CaPO₄
2. Ca₂
3. Ca₃(PO₄)₂
4. Ca(PO₄)₂

20. The name of the ionic compound (NH₄)₃PO₄ is

1. ammonium phosphate
2. tetrammonium phosphate
3. nitrogen hydrogen phosphate
4. ammonia phosphide

21. What is the correct formula for ammonium sulfide?

1. NH₄SO₃
2. (NH₄)₂SO₄
3. (NH₄)₂S
4. NH₃S

22. What is the formula of the compound formed between strontium ions and nitrogen ions?

1. SrN
2. Sr₃N₂
3. Sr₂N₃
4. SrN₂

23. When a metal and a nonmetal react, the......................tends to lose electrons and the......................tends to gain electrons.

1. metal, metal
2. nonmetal, nonmetal
3. metal, nonmetal
4. nonmetal, metal

24. When calcium reacts with sulfur the compound formed is

1. Ca₂S₂
2. Ca₃S₂
3. CaS
4. CaS₂

25. Which formula/name pair is incorrect?

1. Mn(NO₂)₂ manganese(II) nitrite
2. Mg(NO₃)₂ magnesium nitrate
3. Mn(NO₃)₂ manganese(II) nitrate
4. Mg3N2 magnesium nitrite

26. Which formula/name pair is incorrect?

1. FeSO₄ iron(II) sulfate
2. Fe₂(SO₃)₃ iron(III) sulfite
3. Fe₂(SO₄)₃ iron(III) sulfide
4. FeSO₃ iron(II) sulfite

27. Which metal is capable of forming more than one cation?

1. Li
2. Ba
3. Sr
4. Sn

28. Which metal is not required to have its charge specified in the names of ionic compounds it forms?

1. Mn
2. Fe
3. Cu
4. Ca

29. Which of the following compounds would be MOST ionic?

1. Al₂O₃
2. BeS
3. CsF
4. MgCl₂

30. Which of the following compounds would you expect to be ionic?

1. SF₆
2. H₂O
3. CO₂
4. CaO

31. Which of the following compounds would you expect to be ionic?

1. H₂O
2. CO₂
3. SrCl₂
4. SO₂

32. Which one of the following compounds is chromium(III) oxide?

1. Cr₂O₃
2. CrO₃
3. Cr₃O₂
4. Cr₃O

33. Which one of the following compounds is copper(I) chloride?

1. CuCl
2. CuCl₂
3. Cu₂Cl
4. Cu₂Cl₃

34. Which pair of elements is most likely to form an ionic compound with each other?

1. barium, Chlorine
2. calcium, sodium
3. oxygen, fluorine
4. sulfur, carbon

35. Which species below is the nitride ion?

1. Na⁺
2. NO3^-
3. NO2^-
4. N3^-

36. Of the following metal ions, which would be MOST likely to have a +4 charge?

1. Cu
2. Pb
3. Li
4. Zn

37. ......................typically form ions with a 2+ charge.

1. Alkaline earth metals
2. Halogens
3. Chalcogens
4. Alkali metals

38. Aluminum forms an ion with a charge of

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

39. Aluminum reacts with a certain nonmetallic element to form a compound with the general formula Al₂X₃. Element X must be from Group......................of the Periodic Table of Elements.

1. 3A (13)
2. 4A (14)
3. 5A (15)
4. 6A (16)

40. Aluminum reacts with a certain nonmetallic element to form a compound with the general formula AlX. Element X is a diatomic gas at room temperature. Element X must be

1. sulfur
2. fluorine
3. Bromine
4. nitrogen

41. Anions tend to be......................and cations tend to be......................

1. metals, metals
2. nonmetals, nonmetals
3. metals, nonmetals
4. nonmetals, metals

42. Anions tend to have a......................charge and cations tend to have a......................charge.

1. positive, positive
2. negative, negative
3. positive, negative
4. negative, positive

43. Barium forms an ion with a charge of

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

44. Barium reacts with a polyatomic ion to form a compound with the general formula Ba₃(X)₂. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

1. NaX
2. Na2X
3. Na2X2
4. Na3X

45. Bromine forms an ion with a charge of

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

46. Calcium forms an ion with a charge of

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

47. Chromium and chlorine form an ionic compound whose formula is CrCl₃. The name of this compound is

1. chromium chlorine
2. chromium(III) chloride
3. monochromium trichloride
4. chromium(III) trichloride

48. Element M reacts with fluorine to form an ionic compound with the formula MF₃. The M-ion has 18 electrons. Element M is

1. P
2. Sc
3. Ar
4. Ca

49. Fluorine forms an ion with a charge of

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

50. How many electrons does the Al3+ ion possess?

1. 16
2. 10
3. 6