Bulk & Surface Properties (AQA GCSE Chemistry): Flashcards
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Practise the cards
15 cards from this deck
Definition of nanoscience
Definition of nanoscience
Study of very tiny structures called nanoparticles
No. of atoms in nanoparticles
No. of atoms in nanoparticles
A few hundred
Why nanoparticles behave differently
Why nanoparticles behave differently
Higher surface area to volume ratio
Size range of nanoparticles (nm)
Size range of nanoparticles (nm)
1-100 nm
Diameter of an atom (nm)
Diameter of an atom (nm)
About 0.2 nm
1 nanometre equals
1 nanometre equals
One millionth of a millimetre
SA:V ratio as particles get smaller
SA:V ratio as particles get smaller
Gets much bigger
Why nanoparticles are good catalysts
Why nanoparticles are good catalysts
High surface area to volume ratio
Nanoparticles in medicine: drug delivery
Nanoparticles in medicine: drug delivery
Deliver drugs directly to specific body parts
Nanoparticles in medicine: burns
Nanoparticles in medicine: burns
Artificial skin
Nanoparticles in suncream purpose
Nanoparticles in suncream purpose
Better protection from UV rays
Nanoparticles in deodorants purpose
Nanoparticles in deodorants purpose
Kill bacteria more effectively
What buckyballs are made of
What buckyballs are made of
Carbon atoms
Shape of buckyballs
Shape of buckyballs
Like footballs
Potential use of buckyballs
Potential use of buckyballs
Deliver medicines into the body