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AQA 2023 AS CHEMISTRY 7404/1 Paper 1 Inorganic and Physical Chemistry Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]$7.99
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2023 AS CHEMISTRY 7404/1 Paper 1 Inorganic and Physical Chemistry Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] File Starts in the Next Page Ace your Mocks!! *JUN237404101 * IB/M/Jun2 3/E7 7404/1 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 Section B TOTAL Tuesday 16 May 2023 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have: • the Periodic Table/Data Sheet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions • Use black ink or black ball -point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages. • If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number against your answer(s). • All working must be shown. • Do all rough work in this book. Cross through any work you do not want to be marked. Information • The marks for questions are shown in brackets. • The maximum mark for this paper is 80. Advice You are advised to spend about 65 minutes on Section A and 25 minutes on Section B. Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. AS CHEMISTRY Paper 1 Inorganic and Physical Chemistry 2 *02* IB/M/Jun23/7404/1 Do not write outside the box Section A Answer all questions in this section. 0 1 This question is about the elements in Period 3. 0 1 . 1 Give the full electron configuration of the element in Period 3 with the highest first ionisation energy. [1 mark] 0 1 . 2 Give an equation, including state symbols, to represent the process that occurs when the second ionisation energy of sodium is measured. [1 mark] 0 1 . 3 Table 1 shows some successive ionisation energies for an element in Period 3. Table 1 Ionisation number 1 2 3 4 5 6 7 8 Ionisation energy / kJ mol–1 1000 2260 3390 4540 6990 8490 27 100 31 700 Identify the Period 3 element. Explain your answer. [3 marks] Element Explanation 5 3 *03* Turn over ► IB/M/Jun23/7404/1 Do not write outside the box 0 2 This question is about the elements in Group 2. 0 2 . 1 Describe the structure and bonding in magnesium. [2 marks] 0 2 . 2 State the trend in the atomic radius of the elements down Group 2 from Mg to Ba Give a reason for this trend. [2 marks ] Trend Reason 0 2 . 3 Give an equation, including state symbols, for the reaction of magnesium with steam. State two observations for this reaction. [3 marks ] Equation Observation 1 Observation 2 Question 2 continues on the next page
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