英皇_2006_mock_chem_I_alan

英皇_2006_mock_chem_...

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Prepared by Alan Cheng Chemistry Paper 1 Alan Cheng Alan Cheng z 經驗理科名師 畢業於香港科技大學化學系 ,獲 榮譽理學士,香港大學 頒授教師專業資格。 z 人氣急升 近年學生人數不斷上升,教學方法大 獲好評,贏盡口碑 ,更被譽為新一代化學科補 習名師 z 擁有多年教學經驗,並連續五年擔任英皇教育 日校化學科科主任 一職。 z 曾於明報教育網 中解答會考生的問題。 z 曾任多間名校學生補習教師 ,對於爭取好成 績,有一套獨特心得。 z 2005 年中學會考化學科 Tip 中大量題目 ,並 包括 Q12. essay ( 傳意題 ) z 2005 年會考十優狀元 Timophy Un 由中三至中 五一直報讀 Alan Cheng ,絕對是尖子的最佳選 擇。
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Answer ALL questions. Write your answers in the spaces provided. 1. The following table gives some information about particles W, X, Y and Z. Number of proton Number of neutron Mass number W 18 35 X 12 24 Y 17 20 Z 22 40 (a) Which TWO of the above elements would form an ionic compound? Draw the electronic structure of the compound formed. (Showing electrons in the outermost shell only.) (b) In which group of the Periodic Table would X be placed? Explain your answer. (c) (i) State the relationship between element W and Y. (ii) Do molecules of W and Y have the same chemical properties? Explain your answer. (iii) Write a chemical equation for the reaction between molecule of W and dilute sodium hydroxide solution. (7 marks) 2. The flow diagram below shows some reactions about metal A. (a) (i) Name metal A. (ii) Write the chemical reaction between metal A and dilute hydrochloric acid. State whether it is a redox reaction or not. Explain your answer in term of the change in oxidation number. (b) Solution B react with aqueous ammonia to form a precipitate iron(II) hydroxide. (i)
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This note was uploaded on 09/02/2011 for the course CHINESE 12 taught by Professor Cn during the Spring '11 term at CNUAS.

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英皇_2006_mock_chem_...

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