Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Chapter
Ionic Bonding
143 practice questions
Topics covered
- Ionic bonding in magnesium oxide19 practice questions
- Other examples of ionic bonding19 practice questions
- Calcium chloride19 practice questions
- Formulae for ionic compounds18 practice questions
- Giant ionic structures19 practice questions
- The physical properties of ionic substances19 practice questions
- The electrical conductivity of ionic substances19 practice questions
Practice questions
61–70 of 143
Question 61
2 marks · Easy
Answer and see the solution →Ammonium sulfate has the formula (NH4)2SO4. Explain why two ammonium ions are needed in this compound.
Question 62
1 mark · Easy
Answer and see the solution →State the formula for the ionic compound formed when sodium ions combine with bromide ions.
Question 63
3 marks · Easy
Answer and see the solution →The ions formed by magnesium and sulfur combine to make an ionic compound.
(a)[1 mark]State the symbol and charge of the ion formed by magnesium.
(b)[1 mark]State the symbol and charge of the ion formed by sulfur.
(c)[1 mark]Write the formula for the ionic compound formed from these ions.
Question 64
2 marks · Easy
Answer and see the solution →Calculate the correct formula for the ionic compound made from barium ions and hydroxide ions. Show your working.
Question 65
2 marks · Normal
Answer and see the solution →State the formulae for the following ionic compounds:
(a)[1 mark]potassium sulfide
(b)[1 mark]aluminium nitrate
Question 66
4 marks · Normal
Answer and see the solution →The following ions are present in a solution: Ca2+, OH–, Fe3+, Cl–.
(a)[1 mark]Name the ionic compound formed when Ca2+ reacts with OH–.
(b)[1 mark]Write the formula of the compound formed between Ca2+ and OH–.
(c)[1 mark]Write the formula for the compound formed when Fe3+ reacts with Cl–.
(d)[1 mark]State why brackets are used in the formula for the compound formed between Ca2+ and OH–.
Question 67
3 marks · Normal
Answer and see the solution →Calculate the formula for the ionic compound formed between magnesium ions (Mg2+) and phosphate ions (PO4^3–). Show your working.
Question 68
3 marks · Normal
Answer and see the solution →Explain how you work out the formula for iron(II) sulfate, using the charges on the ions and their names.
Question 69
4 marks · Normal
Answer and see the solution →The table shows the ions present in four different ionic compounds. Complete the formula for each compound in the table below:
Compound name Ions Formula sodium sulfide Na+, S2– zinc nitrate Zn2+, NO3– aluminium sulfate Al3+, SO4^2– ammonium phosphate NH4+, PO4^3– Question 70
1 mark · Normal
Answer and check →What is the formula for copper(II) nitrate?
- A.Cu(NO3)2
- B.Cu2NO3
- C.CuNO3
- D.(CuNO3)2