AQA June 2013 – Unit 1 Q1

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section a answer all questions in the spaces provided do not write outside the box the mass spectrum of the isotopes of element x is shown in the diagram relative abundance m z a define the term relative atomic mass marks b use data from the diagram to calculate the relative atomic mass of x give your answer to one decimal place marks wmp jun chem do not write outside the box c identify the ion responsible for the peak at mark d identify which one of the isotopes of x is deflected the most in the magnetic field of a mass spectrometer give a reason for your answer isotope reason marks e in a mass spectrometer the relative abundance of each isotope is proportional to the current generated by that isotope at the detector explain how this current is generated marks f x and zn are different elements explain why the chemical properties of x and zn are different mark turn over wmp jun chem do not write outside the box a the hydrocarbon but ene c h is a member of the homologous series of alkenes but ene has structural isomers a i state the meaning of the term structural isomers marks a ii give the iupac name of the position isomer of but ene mark a iii give the iupac name of the chain isomer of but ene mark a iv draw the displayed formula of a functional group isomer of but ene mark wmp jun chem

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