Edexcel Jun 2017 Paper 1 Q3 (with explained solutions) |

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Edexcel Jun 2017 Paper 1 Q3

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A E R A S I H T N I E T I R W T O N O D A E R A S I H T N I E T I R W T O N O D 3 The mass spectrum of a metal has only the peaks shown in the diagram. Relative intensity 62 63 64 65 m / e The relative atomic mass of the metal is A 63.0 B 63.6 C 64.0 D 65.0 Use this space for rough working. Anything you write in this space will gain no credit. (Total for Question 3 = 1 mark) A E R A S I H T N I E T I R W T O N O D *P53491A0332* Turn over<br />

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Mark (1) Mark (1) Mark (1) Mark (1) Answer 2.The only correct answer is C A is not correct because ionization involves impact with a high energy electron B is not correct because positive ions are formed D is not correct because ionization involves impact with a high energy electron & positive ions are formed Answer 3. The only correct answer is B A is not correct because this is the mass of one isotope C is not correct because this is a mean without weighting D is not correct because this is the mass of one isotope Answer 4. The only correct answer is D A is not correct because isoelectronic does not relate to mass B is not correct because isoelectronic does not relate to Z C is not correct because this is true for a negative ion Section A (multiple choice) Question Number 1 Answer 1.The only correct answer is D A is not correct because this is parts per 1000 B is not correct because this is parts per 10000 C is not correct because this is parts per 100000 Question Number 2 Question Number 3 Question Number 4<br />

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