Ions and ionic bonds: past paper questions

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• Question 7May/June 2026, paper 11Multiple choice1 mark

  Which statement describes the bonding in potassium chloride?

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• Question 3Oct/Nov 2025, paper 11Multiple choice1 markHas a diagram

  Magnesium is in Group II and Period 3 of the Periodic Table. Which row shows the charge on a magnesium ion and the electronic configuration of a magnesium ion?

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• Question 5Oct/Nov 2024, paper 11Multiple choice1 mark

  Chlorine reacts with sodium to form sodium chloride. What happens to the sodium atoms during this reaction?

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• Question 3Oct/Nov 2023, paper 11Multiple choice1 mark

  The Group I element potassium forms an ionic bond with the Group VII element fluorine. Which two ions are produced?

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• Question 9May/June 2026, paper 11Multiple choice1 mark

  What is the formula of potassium oxide?

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• Question 4Oct/Nov 2025, paper 11Multiple choice1 mark

  Sodium is in Group I of the Periodic Table. Chlorine is in Group VII of the Periodic Table. Sodium and chlorine combine to form a compound.

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• Question 11Oct/Nov 2024, paper 12Multiple choice1 mark

  Three substances are listed. 1 solid copper 2 aqueous sodium bromide 3 solid lead(II) bromide Which substances conduct electricity?

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• Question 5Oct/Nov 2023, paper 12Multiple choice1 mark

  Potassium reacts with iodine to form potassium iodide. Which statement about potassium iodide is correct?

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• Question 4May/June 2026, paper 12Multiple choice1 markHas a diagram

  Element M is in Group I and element N is in Group VII. Which diagram represents the bond that forms when element M and element N react together?

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• Question 5Oct/Nov 2025, paper 11Multiple choice1 mark

  Strontium nitrate is an ionic compound. Cyclohexane is a covalent compound. Which row describes a property of each compound?

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• Question 4Oct/Nov 2024, paper 21Multiple choice1 markHas a diagram

  The diagram shows part of an ionic lattice structure. Which compound does the diagram represent?

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• Question 4Oct/Nov 2023, paper 13Multiple choice1 mark

  Sodium reacts with chlorine to form sodium chloride. Which statements describe what happens to the sodium atoms in this reaction?

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• Question 19May/June 2026, paper 12Multiple choice1 mark

  What is the charge on one ion of strontium, Sr?

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• Question 5Oct/Nov 2025, paper 12Multiple choice1 markHas a diagram

  The diagram shows the electronic configuration of a particle with a nucleon number of 40. The table shows the suggestions that three students, 1, 2 and 3, made to identify the particle.

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• Question 4Oct/Nov 2024, paper 22Multiple choice1 mark

  Which pair of elements react to form a compound with a strong attraction between oppositely charged ions?

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• Question 6May/June 2026, paper 13Multiple choice1 markHas a diagram

  Which dot-and-cross diagram represents the bonding in sodium chloride?

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• Question 7Oct/Nov 2025, paper 12Multiple choice1 markHas a diagram

  The electronic configurations of atoms Q and R are shown. Q and R form an ionic compound. What is the formula of the compound?

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• Question 7Oct/Nov 2024, paper 22Multiple choice1 markHas a diagram

  The bonding, structure and melting point of sodium chloride and sulfur dichloride are shown.

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• Question 5Oct/Nov 2023, paper 21Multiple choice1 mark

  Lithium chloride is an ionic compound and silicon(IV) oxide is a covalent compound. Which statement about both compounds is correct?

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• Question 5May/June 2026, paper 21Multiple choice1 mark

  Which statement about magnesium chloride, ${\text{MgCl}}_2$, is correct?

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• Question 4Oct/Nov 2025, paper 13Multiple choice1 markHas a diagram

  The electronic structures of two atoms, P and Q, are shown. P and Q combine together to form a compound. What is the type of bonding in the compound, and what is the formula of the compound?

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• Question 3Oct/Nov 2024, paper 23Multiple choice1 mark

  What happens when sodium atoms combine with chlorine atoms to form sodium chloride?

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• Question 5Oct/Nov 2025, paper 13Multiple choice1 markHas a diagram

  The electronic configuration of an ion is 2,8,8. What could this ion be?

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• Question 4Oct/Nov 2024, paper 23Multiple choice1 markHas a diagram

  The table shows some properties of four substances.

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• Question 5Oct/Nov 2023, paper 23Multiple choice1 mark

  Magnesium reacts with oxygen to form magnesium oxide. What happens to magnesium atoms and oxygen atoms during this reaction?

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• Question 6May/June 2026, paper 22Multiple choice1 mark

  Which statement explains why sodium chloride, $\text{NaCl}$, has a high melting point?

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• Question 7Oct/Nov 2025, paper 13Multiple choice1 mark

  Which statement about an ionic bond is correct?

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• Question 8Oct/Nov 2023, paper 31Structured12 marksHas a diagram

  Lithium bromide is a compound with ionic bonding. State the meaning of the term ionic bond.

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• Question 7May/June 2026, paper 23Multiple choice1 mark

  Which statement explains the high melting point of potassium bromide?

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• Question 6Oct/Nov 2025, paper 21Multiple choice1 mark

  Which statement describes the formation of bonds in lithium bromide?

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