Chemistry-C2-Nanoparticles and their Uses 0.0 / 5 ? ChemistryNanoscienceGCSEAQA Created by: tonisha_Created on: 07-11-22 19:51 Coarse particles are also known as? dust 1 of 22 Have a diameter between _x10 to the power of _ to _x10 to the power of _? 1x10 to the power of -5 to 2.5x10 to the power of -6 2 of 22 Fine particles have a diameter between _x10 to the power of _ to _x10 to the power of _ 1x10 to the power of -7 and 2.5x10 to the power of -6 3 of 22 Nanoparticles have a diameter between _x10 to the power of _ and _x10 to the power of _? 1x10 to the power of -9 and 1x10 to the power of -7 4 of 22 What is the study of nanoparticles called? nanoscience 5 of 22 What is the equation for surface area to volume ratio? surface area/ volume 6 of 22 Nanoparticles have a massive _____ ____ to _____ ____? surface area to volume ratio 7 of 22 This means that you only need a ______ quantity? small 8 of 22 of the nanoparticle compared to a ______ with a _____ sized particle? material with a normal sized nano particle 9 of 22 USES --------- What are the 4 main uses? medicine catalysts electronics suncream 10 of 22 MEDICINE ------------- Here they would use _____ to deliver _____ around the ____ and inside ____? use fullerenes to deliver drugs around the body and inside cells 11 of 22 CATALYSTS -------------- They have an exposed ____ ____? surface area 12 of 22 Therefore you would need less of a _____ made of nanoparticles? material 13 of 22 ELECTRONICS ------------------- Some nanoparticles can ? conduct electricity 14 of 22 This helps make _____ computer chips? tinier 15 of 22 SUNCREAM ------------- The nanoparticles in suncream are more effective at what? protecting the skin from iv 16 of 22 RISKS ----------- However it is possible that the nanoparticles may get _____ into the ____? absorbed into the skin 17 of 22 And enter the ____ and the ____? body and the cells 18 of 22 However we dont know whether these may ____ our cells? damage 19 of 22 Or what the ____ ____ effects of this are? long term 20 of 22 We can address this by ____ them carefully? studying 21 of 22 And having strict _______? regulations 22 of 22
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