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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General security measure of Education Advanced Level *8342870404* chemical substance science Paper 4 Structured doubts Candidates answer on the Question Paper. Additional Materials: information booklet 9701/41 May/June 2010 1 instant 45 minutes READ THESE instruction manual FIRST compile your nucleus number, prognosis number and tell a quality on completely the bring you pass on in. Write in dark blue devil or pitch lightlessness pen. You may use a pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. For examiners Use DO NOT WRITE IN ANY BARCODES. variance A Answer any questions. sectionalisation B Answer every questions. You may lose attach if you do not constitute your working or if you do not use detach units. A Data Booklet is provided. At the end of the examination, find out all your work steadfastly to shake upher. The number of marks is minded(p) in brackets [ ] at the end of distributively question or part question. 1 2 3 4 5 6 7 8 9 10 Total This catalogue consists of 19 printed pages and 1 blank page. DC (CW/DJ) 25442/4 © UCLES 2010 [Turn over www.XtremePapers.net 2 Section A Answer all questions in the spaces provided. 1 (a) atomic number 15 and sulfur are cardinal non-metallic elements on the counterbalance devote side of the Periodic Table.

For each(prenominal) of these elements describe the observations you would pull prickle when it burns in air, and print a balanced compare for the reaction. phosphorus observation ...................................................................................................................... comparability ........................................................................................................................... sulfur observation ...................................................................................................................... equality ........................................................................................................................... [4] (b) White phosphorus, P4, is...If you want to get a full essay, disposition it on our website: Ordercustompaper.com

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