Scheme of Work AQA A-level Chemistry Year 1 and AS (120 hours) Student Required One hour lessons Learning Outcomes Specification Content Skills Covered Book Section Practicals CHAPTER 1 Atomic structure (6 hours) – 1 Sub-atomic particles Describe the main theories and 1.1 3.1.1.1 Fundamental particles models of the atom up to the Appreciate that knowledge and Review of theories and Bohr model understanding of atomic structure has evidence relating to the Explain how ideas about the evolved over time. structure of the atom, nature of protons, neutrons from early ideas up to and electrons of the atoms Protons, neutrons and electrons: relative have changed over time the Bohr model. charge and relative mass. Link and explain the evidence An atom consists of a nucleus containing that led to the development of protons and neutrons surrounded by new theories and models of electrons. the atom 2 Atoms and isotopes Determine the number of 1.1 3.1.1.2 Mass number and isotopes MS 1.1: Students report fundamental particles in atoms calculations to an appropriate The principles of a simple time of Use ideas about mass 1.2 and ions using A, Z and charge number of significant figures, flight (TOF) mass spectrometer, number and atomic Explain why some isotopes are 1.3 given raw data quoted to limited to electron spray ionisation, number to explain the significant varying numbers of significant acceleration, ion drift, ion detection, existence and Make predictions about the 1.4 figures. data analysis. physical and chemical significance of isotopes. MS 1.2: Students calculate properties of isotopes The mass spectrometer gives Provide examples of weighted means, e.g. accurate information about relative importance isotopes. calculation of an atomic mass isotopic mass and also about the based on supplied isotopic relative abundance of isotopes. 3 Mass spectrometry Describe how a time of flight 1.4 abundances. mass spectrometer works
Scheme of Work AQA A-level Chemistry Year 1 and AS (120 hours) One hour lessons Learning Outcomes Specification Content Skills Covered Student Book Section Required Practicals CHAPTER 1 – Atomic structure (6 hours) 1 Sub-atomic particles Review of theories and evidence relating to the structure of the atom, from early ideas up to the Bohr model. Describe the main theories and models of the atom up to the Bohr model Explain how ideas about the nature of protons, neutrons and electrons of the atoms have changed over time Link and explain the evidence that led to the development of new theories and models of the atom 3.1.1.1 Fundamental particles Appreciate that knowledge and understanding of atomic structure has evolved over time. Protons, neutrons and electrons: relative charge and relative mass. An atom consists of a nucleus containing protons and neutrons surrounded by electrons. 1.1 2 Atoms and isotopes Use ideas about mass number and atomic number to explain the existence and significance of isotopes. Provide examples of importance isotopes. Determine the number of fundamental particles in atoms and ions using A, Z and charge Explain why some isotopes are significant Make predictions about the physical and chemical properties of isotopes 3.1.1.2 Mass number and isotopes The principles of a simple time of flight (TOF) mass spectrometer, limited to electron spray ionisation, acceleration, ion drift, ion detection, data analysis. The mass spectrometer gives accurate information about relative isotopic mass and also about the relative abundance of isotopes. MS 1.1: Students report calculations to an appropriate number of significant figures, given raw data quoted to varying numbers of significant figures. MS 1.2: Students calculate weighted means, e.g. calculation of an atomic mass based on supplied isotopic abundances. 1.1 1.2 1.3 1.4 3 Mass spectrometry Describe how a time of flight mass spectrometer works 1.4