C4.4 Why are nanoparticles so useful? C4.4.1 compare dimensions to C2 Bonding, Structure 51 ‘nano’ typical dimensions of atoms and and the properties of molecules matter C4.4.2 describe the surface area to C2 Bonding, Structure 52 volume relationship for different-sized and the properties of particles and describe how this affects matter properties C4.4.3 describe how the properties of C2 Bonding, Structure 52 nanoparticulate materials are related to and the properties of their uses including properties which arise matter from their size, surface area and arrangement of atoms in tubes or rings C4.4.4 explain the properties fullerenes C2 Bonding, Structure 55 and graphene in terms of their structures and the properties of matter C4.4.5 explain the possible risks C2 Bonding, Structure 53 associated with some nanoparticulate and the properties of materials including: matter a) possible effects on health due to their size and surface area b) reasons that there is more data about uses of nanoparticles than about possible health effects c) the relative risks and benefits of using nanoparticles for different purposes C4.4.6 estimate size and scale of atoms C2 Bonding, Structure 51 and nanoparticles including the ideas that: and the properties of a) nanotechnology is the use and control matter of structures that are very small (1 to 100 nanometres in size) b) data expressed in nanometres is used to compare the sizes of nanoparticles, atoms and molecules C4.4.7 interpret, order and calculate with C2 Bonding, Structure 51 numbers written in standard form when and the properties of dealing with nanoparticles matter C4.4.8 use ratios when considering C2 Bonding, Structure 52 relative sizes and surface area to volume and the properties of comparisons matter C4.4.9 calculate surface areas and C2 Bonding, Structure 52 volumes of cubes and the properties of matter
C4.4 Why are nanoparticles so useful? C4.4.1 compare ‘nano’ dimensions to typical dimensions of atoms and molecules C2 Bonding, Structure and the properties of matter 51 C4.4.2 describe the surface area to volume relationship for different-sized particles and describe how this affects properties C2 Bonding, Structure and the properties of matter 52 C4.4.3 describe how the properties of nanoparticulate materials are related to their uses including properties which arise from their size, surface area and arrangement of atoms in tubes or rings C2 Bonding, Structure and the properties of matter 52 C4.4.4 explain the properties fullerenes and graphene in terms of their structures C2 Bonding, Structure and the properties of matter 55 C4.4.5 explain the possible risks associated with some nanoparticulate materials including: a) possible effects on health due to their size and surface area b) reasons that there is more data about uses of nanoparticles than about possible health effects c) the relative risks and benefits of using nanoparticles for different purposes C2 Bonding, Structure and the properties of matter 53 C4.4.6 estimate size and scale of atoms and nanoparticles including the ideas that: a) nanotechnology is the use and control of structures that are very small (1 to 100 nanometres in size) b) data expressed in nanometres is used to compare the sizes of nanoparticles, atoms and molecules C2 Bonding, Structure and the properties of matter 51 C4.4.7 interpret, order and calculate with numbers written in standard form when dealing with nanoparticles C2 Bonding, Structure and the properties of matter 51 C4.4.8 use ratios when considering relative sizes and surface area to volume comparisons C2 Bonding, Structure and the properties of matter 52 C4.4.9 calculate surface areas and volumes of cubes C2 Bonding, Structure and the properties of matter 52
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