version 2.0 copyright © aqa and its licensors. all rights reserved. c1.1.3 chemical reactions
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Foundation and Higher QSP 1F Version 2.0 Copyright © AQA and its licensors. All rights reserved.TRANSCRIPT
Version 2.0 Copyright © AQA and its licensors. All rights reserved.
C1.1.3 Chemical Reactions
Using Exam pro items to support successful outcomes
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• Learners will be able to test their progress against learning outcomes using questions from past AQA GCSE examinations
Foundation and Higher QSP 1F .071.
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Copyright © AQA and its licensors. All rights reserved.
Version 2.0
Copyright © AQA and its licensors. All rights reserved.
Version 2.0
Copyright © AQA and its licensors. All rights reserved.
Mark scheme
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Q Answer Extra Information Mark1 (a) (i) Both have one/1 electron in the
outer energy level/shellAllow both react in a similar way
1
1 (a) (ii) Eleven/11 1
1 (a) (iii) Twelve/12 1
1 (a) (iv)
8 electrons in second energy level/shell1 electron in outer energy level/shell
Allow 1 mark maximum if electrons in first energy shell/level have been changed
1
1
2 Two sodium atoms reactTwo ( bonded) chlorine atoms reactTwo sodium ions and two chloride ions ( are produced)
Allow one chlorine molecule reactsAllow two molecules of sodium chloride ( are produced) or two sodium chloride particles ( are produced)
111
Total 8