56Fe2+ C 28Si+ D 84Sr3+ (Total for Question 5 = 1 mark) 4 8 Pearson Edexcel International Advanced Subsidiary/Advanced Level in Chemistry *S58309A0424*Sample Assessment Materials – Issue 1 – September 2017 © Pearson Education Limit...
Subject: Chemistry Age range: 14-16 Resource type: Worksheet/Activity File previews pptx, 44.14 MB This resource contains 3 worksheets for energy transfers in chemical reactions and reaction profiles that can be used in class or as homework to enable your students to practice what they have l...