Nanoscience (P1) Flashcards
1
Q
What is nanoscience?
A
The study of particles between 1 and 100 nanometres in size
2
Q
How big is a nanometre?
A
0.000000005m
3
Q
Fine and coarse particles
A
Fine 100 to 2500 nm
Coarse 2500 to 10000 nm
4
Q
Uses
A
medical treatments
cosmetics, deodorants and sunscreens
electronics
catalysts
5
Q
Risks
A
Very small some are concerned that we might breathe them in
Can catalyse unwanted reactions
Could bind to toxic substances due to large surface area to volume ratio
