文件审查员报告.pdfVIP

Edexcel and BTEC Qualifications Edexcel and BTEC qualifications come from Pearson, the UK’s largest awarding body. We provide a wide range of qualifications luding academic, vocational, occupational and specific programmes for employers. For further information visit our qualifications websites at or Alternatively, you can get in touch with us using the details on our contact us page at tactus. Pearson: hel people progress, everywhere Pearson aspires to be the world’s leading learning . Our aim is to help everyone progress in their lives through education. We believe in every kind of learning, for all kinds of people, wherever they are in the world. We’ve been involved in education for over 150 years, and by working across 70 countries, in 100 languages, we have built an international reputation for our commitment to high standards and raising achievement through innovation in education. Find out more about how we can help you and your students at: Summer 2013 Publications Code UG035592 All the material in this publication is copyright © Pearson Education 2013 4CH0 1C June 2013 Report Question 1 This was a straightforward question about atomic structure. A pected, the vast majority of students scored full, or nearly full, marks. There was some confusion in part (a) between atomic number and mass number, while in (b) a handful of answers gave numbers instead of choosing the words from the box. Question 2 This question on hydrogen and water was well answered by most students. In part (b), although most scored the mark, it was disappointing to find errors in this most familiar of gas tests. Quite a few failed to describe the splint or spill as lit or burning, while others described it as glowing. The equation in (c) was usually corr