do not have a permanent dipole. 3.1.3.7 0.6 Explain the existence of Students predict and explain the June 2013 Hydrogen bonding activity Forces between weeks forces between familiar relative boiling points of a range of Unit 1 Q4 molecules and their and unfamiliar molecules. covalent substances. effect on melting point January 2012 Practical: Slime and boiling point. Explain how melting and Students interpret the graph of Unit 1 Q1 boiling points are boiling point against Mr of covalent Permanent influenced by these hydrides in groups 4 to 7. June 2011 forces. intermolecular forces. Unit 1 Q3d Practical: Density of ice Practical activity: making slime. Induced dipole–dipole January 2011 (van der Waals) forces. Practical demonstration: density of Unit 1 Q1 ice. Hydrogen bonding January 2010 including low density of Unit 1 Q3 ice and anomalous boiling points of compounds. 3.2.1.2 0.2 Explain the trends in atomic Students plot data on graphs for January 2011 Physical properties of weeks radius and first ionisation atomic radius, first ionisation Unit 1 Q5 Period 3 elements. energy. energy and melting point and explain those trends. January 2009 The trends in atomic Explain the melting point of Unit 1 Q4 radius, first ionisation the elements in terms of Students give explanations for energy and melting their structure and bonding. these trends. point of the elements Na–Ar
do not have a permanent dipole. 3.1.3.7 Forces between molecules and their effect on melting point and boiling point. Permanent forces. Induced dipole–dipole (van der Waals) forces. Hydrogen bonding including low density of ice and anomalous boiling points of compounds. 0.6 weeks Explain the existence of forces between familiar and unfamiliar molecules. Explain how melting and boiling points are influenced by these intermolecular forces. Students predict and explain the relative boiling points of a range of covalent substances. Students interpret the graph of boiling point against Mr of covalent hydrides in groups 4 to 7. Practical activity: making slime. Practical demonstration: density of ice. June 2013 Unit 1 Q4 January 2012 Unit 1 Q1 June 2011 Unit 1 Q3d January 2011 Unit 1 Q1 January 2010 Unit 1 Q3 Hydrogen bonding activity Practical: Slime Practical: Density of ice 3.2.1.2 Physical properties of Period 3 elements. The trends in atomic radius, first ionisation energy and melting point of the elements Na–Ar 0.2 weeks Explain the trends in atomic radius and first ionisation energy. Explain the melting point of the elements in terms of their structure and bonding. Students plot data on graphs for atomic radius, first ionisation energy and melting point and explain those trends. Students give explanations for these trends. January 2011 Unit 1 Q5 January 2009 Unit 1 Q4
AQA-7404-B-SOW.DOCX