Ionic Bonding and Ionic Compounds Multiple Choice Questions and Answers

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