Transition elements: past paper questions

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• Question 22May/June 2026, paper 12Multiple choice1 mark

  Cobalt is a transition element. What is a property of cobalt?

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• Question 20Oct/Nov 2025, paper 11Multiple choice1 mark

  Cobalt is a typical transition element. Which statement about cobalt is correct?

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• Question 28Oct/Nov 2024, paper 12Multiple choice1 mark

  Which metal forms compounds that can be used to colour glass?

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• Question 20Oct/Nov 2023, paper 11Multiple choice1 mark

  Which compound is likely to be coloured?

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• Question 27May/June 2026, paper 13Multiple choice1 mark

  Some properties of element X are listed. 1 It forms coloured compounds. 2 It has a high melting point.

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• Question 25Oct/Nov 2025, paper 12Multiple choice1 mark

  Osmium is a transition element. Which row gives the expected properties of osmium?

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• Question 22Oct/Nov 2024, paper 21Multiple choice1 mark

  Manganese(IV) oxide, ${\text{MnO}}_2$, is a black solid. The equation for the reaction between manganese(IV) oxide and dilute hydrochloric acid is shown.

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• Question 6May/June 2026, paper 31Structured16 marks

  Cobalt is a metal. State the period number of cobalt in the Periodic Table.

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• Question 26Oct/Nov 2025, paper 23Multiple choice1 markHas a diagram

  Which row identifies a transition element?

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

  Which row shows the properties of a transition element?

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• Question 6May/June 2026, paper 33Structured13 marks

  Titanium is a metal. State the period number of titanium in the Periodic Table.

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• Question 5Oct/Nov 2025, paper 43Structured12 marks

  This question is about metallic compounds. Insoluble metal salts, such as lead(II) sulfate, are made by precipitation. When aqueous lead(II) ions react with aqueous sulfate ions, a precipitate of lead(II) sulfate forms.

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• Question 24Oct/Nov 2024, paper 23Multiple choice1 mark

  Acidified potassium dichromate(VI), ${\text{K}}_2{\text{Cr}}_2{\text{O}}_7$, is used to oxidise ethanol, ${\text{C}}_2{\text{H}}_5\text{OH}$. The ionic equation for the reaction is shown.

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• Question 24Oct/Nov 2023, paper 22Multiple choice1 mark

  Which pair of compounds shows that transition elements have variable oxidation states?

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• Question 4May/June 2026, paper 42Structured13 marks

  Chromium, copper and nickel are transition elements. State two physical properties of transition elements that are different from Group I metals.

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• Question 24May/June 2025, paper 11Multiple choice1 mark

  Some information about an element is shown.

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• Question 6Oct/Nov 2024, paper 31Structured11 marksHas a diagram

  This question is about metals. Metals are good electrical conductors. State three other typical physical properties of metals.

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• Question 6May/June 2026, paper 43Structured14 marks

  This question is about oxides. Aluminium oxide, $\mathrm{A}{\mathrm{l}}_2{\mathrm{O}}_3$, is an amphoteric oxide. State the meaning of the term amphoteric.

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• Question 24May/June 2025, paper 12Multiple choice1 mark

  Zirconium is a transition element. What is a property of zirconium?

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• Question 6Oct/Nov 2024, paper 33Structured11 marksHas a diagram

  This question is about metals. Metals are malleable and ductile. State three other typical physical properties of metals.

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• Question 26Oct/Nov 2023, paper 23Multiple choice1 mark

  Which metal has variable oxidation numbers?

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• Question 24May/June 2025, paper 13Multiple choice1 markHas a diagram

  Which row describes the properties of a transition element?

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• Question 23May/June 2024, paper 11Multiple choice1 mark

  Which statement describes a transition element?

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• Question 1Oct/Nov 2023, paper 31Structured6 marks

  A list of substances is shown. ammonium nitrate carbon monoxide copper(II) chloride ethane ethene litmus methane methyl orange sodium chloride sodium sulfate sulfur dioxide thymolphthalein Answer the following questions using only the substances from the list.

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• Question 23May/June 2025, paper 21Multiple choice1 mark

  Some properties of elements are listed. 1 They have good electrical conductivity. 2 They have high melting points.

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• Question 25May/June 2024, paper 12Multiple choice1 markHas a diagram

  An alloy contains aluminium, copper, magnesium, manganese, silver and zirconium. Which row identifies the number of transition elements in the alloy and the relative density of the transition elements compared to sodium?

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• Question 1Oct/Nov 2023, paper 32Structured6 marks

  A list of compounds is shown. ammonia carbon dioxide carbon monoxide cobalt(II) chloride ethane ethene glucose methane potassium sulfate sodium phosphate sulfur dioxide Answer the following questions using only the compounds from the list.

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• Question 24May/June 2025, paper 23Multiple choice1 markHas a diagram

  Which element is a transition element?

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• Question 25May/June 2024, paper 13Multiple choice1 markHas a diagram

  Which row describes a transition element?

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• Question 2Oct/Nov 2023, paper 42Structured14 marks

  Cobalt and copper are transition elements. Copper has two naturally occurring isotopes, ${}^{63}\mathrm{C}\mathrm{u}$ and ${}^{65}\mathrm{C}\mathrm{u}$. Cobalt has only one naturally occurring isotope, ${}^{59}\mathrm{C}\mathrm{o}$.

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