three dimensional diagrams to represent a giant ionic structure work out the empirical formula of an compound from a given model or diagram that shows the ions in the structure. WS 1.2 Students should be able to visualise and represent 2D and 3D forms including two dimensional representations of 3D objects. MS 4a, 1a, 1c. 4.2.1.4 When atoms share Students should be able 1 Extended writing: describe Demo the formation of Video clip: pairs of electrons, they to: the difference between hydrogen chloride. Draw form covalent bonds. recognise substances as simple covalent substances the dot and cross These bonds between small molecules, and giant covalent diagram for this reaction. atoms are strong. polymers or giant substances. Covalently bonded structures from Model simple covalent substances may consist diagrams showing their Grade 9: explain an substance using of small molecules. bonding example of covalent molecular model kits. Some covalently recognise common bonding including detail on bonded substances substances that consist electron transfer, group Demo giant covalent have very of small molecules from numbers of the atoms structures using molecules, such as their chemical formula. involved and the use of molecular model kits. polymers. draw dot and correct terminology. Some covalently diagrams for the bonded substances molecules of hydrogen, have giant covalent chlorine, oxygen, structures, such as nitrogen, hydrogen
three dimensional diagrams to represent a giant ionic structure work out the empirical formula of an compound from a given model or diagram that shows the ions in the structure. WS 1.2 Students should be able to visualise and represent 2D and 3D forms including two dimensional representations of 3D objects. MS 4a, 1a, 1c. 4.2.1.4 When atoms share pairs of electrons, they form covalent bonds. These bonds between atoms are strong. Covalently bonded substances may consist of small molecules. Some covalently bonded substances have very molecules, such as polymers. Some covalently bonded substances have giant covalent structures, such as Students should be able to: recognise substances as small molecules, polymers or giant structures from diagrams showing their bonding recognise common substances that consist of small molecules from their chemical formula. draw dot and diagrams for the molecules of hydrogen, chlorine, oxygen, nitrogen, hydrogen 1 Extended writing: describe the difference between simple covalent substances and giant covalent substances. Grade 9: explain an example of covalent bonding including detail on electron transfer, group numbers of the atoms involved and the use of correct terminology. Demo the formation of hydrogen chloride. Draw the dot and cross diagram for this reaction. Model simple covalent substance using molecular model kits. Demo giant covalent structures using molecular model kits. Video clip:
AQA-8462-SOW-BOND.DOCX