Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry

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Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Answer ALL the questions in this section. You should aim to spend no more than 20 minutes on this section. For each question, ... select one answer from A to D and put a cross in the box . If you change your mind, put a line through the box and then mark your new answer with a cross . 1 The correct sequence for the processes that occur in a mass spectrometer is A vaporization, ionization, acceleration, deflection and detection. B vaporization, acceleration, ionization, deflection and detection. C ionization, vaporization, acceleration, deflection and detection. D ionization, vaporization, deflection, acceleration and detection. (Total for Question = 1 mark) 2 Which of the following ions would be deflected most in a mass spectrometer? A 35Cl+ B 37Cl+ C 37Cl2+ D (35Cl —37Cl)+ (Total for Question 2 = 1 mark) 3 A particle with a single positive charge and with the electronic configuration 1s2 2s2 2p6 is A a sodium ion. B a fluoride ion. C an oxide ion. D a potassium ion. (Total for Question 3 = 1 mark) [Show More]

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