1. Version 2.0 Copyright © AQA and its licensors. All rights reserved. C1.1.3 Chemical Reactions

2. Using Exam pro items to support successful outcomes Version 2.0 Copyright © AQA and its licensors. All rights reserved. Learners will be able to test their progress against learning outcomes using questions from past AQA GCSE examinations

3. Foundation and Higher QSP 1F.07 1. Version 2.0 Copyright © AQA and its licensors. All rights reserved.

6. Mark scheme Version 2.0 Copyright © AQA and its licensors. All rights reserved. QAnswerExtra InformationMark 1 (a) (i) Both have one/1 electron in the outer energy level/shell Allow 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/shell 1 electron in outer energy level/shell Allow 1 mark maximum if electrons in first energy shell/level have been changed 1111 2 Two sodium atoms react Two ( bonded) chlorine atoms react Two sodium ions and two chloride ions ( are produced) Allow one chlorine molecule reacts Allow two molecules of sodium chloride ( are produced) or two sodium chloride particles ( are produced) 111111 Total 8