Scheme of work B Atomic structure and moles (4 weeks) Time Learning activity with opportunity Assessment Learning outcome Resources Learning objective taken to develop skills opportunities Students research how scientists June 2009 3.1.1.1 0.2 Describe the structure of History of the atom have contributed to our knowledge Unit 1 Q1a and 1c Fundamental particles. weeks in terms of protons, and understanding of atomic neutrons and electrons. structure over time. Recall the relative charges The structure of atoms. and masses of protons, neutrons and electrons. 0.4 Determine the number of Students: SAMS AS Use of TOF mass spectrometer in 3.1.1.2 Mass number and weeks fundamental particles in Identify atoms and ions from Paper 1 Q2 research isotopes. atoms and ions using mass numbers of protons, neutrons and number, atomic number electrons, and vice versa. June 2013 Atomic number, mass and charge. Unit 1 Q1a, 1b,1c TOF mass spec tutorial number, isotopes. Define relative atomic mass (Ar) and 1f Explain the existence of and relative molecular mass (Mr). Time of Flight mass isotopes. January 2012 spectrometer: Principles Determine the relative atomic mass Unit 1 Q7a of operation and its uses. Interpret simple mass of elements using isotope AQA Time of flight mass spectra of elements. abundance data quoting answers to June 2010 spectrometry Teachers’ and Unit 1 Q8 3.1.2.1 a suitable number of significant Student guide: figures for data provided.
Scheme of work B Atomic structure and moles (4 weeks) Learning objective Time taken Learning outcome Learning activity with opportunity to develop skills Assessment opportunities Resources 3.1.1.1 Fundamental particles. The structure of atoms. 0.2 weeks Describe the structure of in terms of protons, neutrons and electrons. Recall the relative charges and masses of protons, neutrons and electrons. Students research how scientists have contributed to our knowledge and understanding of atomic structure over time. June 2009 Unit 1 Q1a and 1c History of the atom 3.1.1.2 Mass number and isotopes. Atomic number, mass number, isotopes. Time of Flight mass spectrometer: Principles of operation and its uses. 3.1.2.1 0.4 weeks Determine the number of fundamental particles in atoms and ions using mass number, atomic number and charge. Explain the existence of isotopes. Interpret simple mass spectra of elements. Students: Identify atoms and ions from numbers of protons, neutrons and electrons, and vice versa. Define relative atomic mass (Ar) and relative molecular mass (Mr). Determine the relative atomic mass of elements using isotope abundance data quoting answers to a suitable number of significant figures for data provided. SAMS AS Paper 1 Q2 June 2013 Unit 1 Q1a, 1b,1c and 1f January 2012 Unit 1 Q7a June 2010 Unit 1 Q8 Use of TOF mass spectrometer in research TOF mass spec tutorial AQA Time of flight mass spectrometry Teachers’ and Student guide: