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Monday 22 May 2023 Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions Morning Time allowed: 1 hour 45 minutes • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all 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...