in percentage concentration and in help learners think of mixing and related parts per million (ppm) phenomena (e.g. dissolving) in terms of breaking and making intermolecular bonds. THINKING CONTEXTUALLY OZ(j) the recognition of and formulae Assessment for learning chemistry: for examples of members of the What are hydrogen and where are following homologous series: they found? (Royal Society of (i) haloalkanes, including systematic Chemistry) nomenclature A series of activities that introduce (ii) amines hydrogen bonds as a specific type of intermolecular bond. This resource begins with the example of water, but also points out that hydrogen bonds are found in other substances. Classroom discussion and peer assessment are encouraged. THINKING CONCEPTUALLY OZ(k) the characteristic properties of Demo of water expanding when it haloalkanes, comparing fluoro-, freezes (Royal Society of Chemistry) bromo- and iodo-compounds, This simple teacher demonstration of a considering the following aspects: plastic bottle of water splitting when it is (i) boiling points (depend on frozen can be used to initiate discussions intermolecular bonds) about the properties of water in various (ii) nucleophilic substitution with water states. Alternatively, a video could be and hydroxide ions to form alcohols, shown in class to show how water and with ammonia to form amines expands when it freezes. THINKING CONTEXTUALLY
in percentage concentration and in parts per million (ppm) help learners think of mixing and related phenomena (e.g. dissolving) in terms of breaking and making intermolecular bonds. THINKING CONTEXTUALLY OZ(j) the recognition of and formulae for examples of members of the following homologous series: (i) haloalkanes, including systematic nomenclature (ii) amines Assessment for learning chemistry: What are hydrogen and where are they found? (Royal Society of Chemistry) A series of activities that introduce hydrogen bonds as a specific type of intermolecular bond. This resource begins with the example of water, but also points out that hydrogen bonds are found in other substances. Classroom discussion and peer assessment are encouraged. THINKING CONCEPTUALLY OZ(k) the characteristic properties of haloalkanes, comparing fluoro-, bromo- and iodo-compounds, considering the following aspects: (i) boiling points (depend on intermolecular bonds) (ii) nucleophilic substitution with water and hydroxide ions to form alcohols, and with ammonia to form amines Demo of water expanding when it freezes (Royal Society of Chemistry) This simple teacher demonstration of a plastic bottle of water splitting when it is frozen can be used to initiate discussions about the properties of water in various states. Alternatively, a video could be shown in class to show how water expands when it freezes. THINKING CONTEXTUALLY
Chemistry%20B%20Resources%2011-11-16.docx