The newest 8 of 8 written questions. Open one to see it on the real paper.
Which statements about the noble gas helium are correct?
See it on the paper →Which substance is an element that forms a basic oxide and coloured compounds?
See it on the paper →State the name of a noble gas and give a use for this noble gas. name use
See it on the paper →Copper carbonate is green. Copper is a transition metal. One of the properties of transition metals is that they form coloured compounds. State two other properties of transition metals which are not properties of all metals.
See it on the paper →State two properties of transition metals that are not properties of all metals. 1. 2.
See it on the paper →Suggest one hazard associated with stage 1.
See it on the paper →Use the Periodic Table to name the noble gas in Period 3 of the Periodic Table.
See it on the paper →Argon does not react with potassium. Explain why. Use ideas about electronic structures in your answer.
See it on the paper →There was evidence that many candidates had guessed at the answer. Candidates are required to classify oxides as either acidic or basic, related to metallic and non-metallic character and to know that transition elements form coloured compounds.
— Examiner report, May/June 2023, 0654/12 Q22 (Cambridge)
Helium was commonly suggested with a use of filling balloons. A few candidates incorrectly suggested filling hot air balloons.
— Examiner report, May/June 2023, 0654/33 Q5(b) (Cambridge)
A number of candidates suggested general properties of metals
— Examiner report, October/November 2022, 0654/33 Q11(b) (Cambridge)
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