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Resource Pack By Faiz Unit 1 AS Chemistry ☺ Al-Chemist 4 Faiz Ul Hassan Khan ( Al-Chemist) 0321-9070007 Q9(Q2 Paper 11 June 2019) A sample of element X is analysed using mass spectrometry. The mass spectrum obtained is shown. Q10.(Q2 Paper 12 June 2019) Oxygen has three stable isotopes, 16O, 17O and 18O. All three isotopes are present in a sample of oxygen gas, O2, which was analysed using a mass spectrometer. How many peaks associated with the O2 + ion would be expected? A 3 B 5 C 6 D 9 Q11(Q2 Paper 13 June 2019) The mass spectrum of an alloy of copper and gold is shown Faiz Ul Hassan (Al-Chemist)

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