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A Level Chemistry A H432/01 Question Paper 2021

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Tuesday 5 October 2021 – Afternoon A Level Chemistry A H432/01 Periodic table, elements and physical chemistry Time allowed: 2 hours 15 minutes INSTRUCTIONS • Use black ink. You can use an HB... pencil, but only for graphs and diagrams. • Write your answer to each question in the space provided. If you need extra space use the lined pages at the end of this booklet. The question numbers must be clearly shown. • Answer all the questions. • Where appropriate, your answer should be supported with working. Marks might be given for using a correct method, even if your answer is wrong. INFORMATION • The total mark for this paper is 100. • The marks for each question are shown in brackets [ ]. • Quality of extended response will be assessed in questions marked with an asterisk (*). • This document has 32 pages. ADVICE • Read each question carefully before you start your answer. SECTION A You should spend a maximum of 20 minutes on this section Write your answer to each question in the box provided. Answer all the questions. 1 Which statement describes electronegativity? A A measure of the reactivity of an element. B The ability of an atom to attract an electron to become a 1– ion. C The attraction of a bonded atom for the electrons in a covalent bond. D The attraction of an atom for a lone pair of electrons. Your answer [1] 2 A chlorate(VII) ion has a 1– charge. What is the formula for sodium chlorate(VII)? A NaCl O3 B NaCl O4 C NaCl O7 D NaCl O8 Your answer [Show More]

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