Nanoparticles Flashcards
1
Q
Why are nanoparticles used in suncreams?
A
They are transparent
Provide protection from the suns ultra violet rays
2
Q
What are the risks with using nanoparticles?
A
Could have a negative impact on health and the environment
3
Q
What are nano particles?
A
Particles which are in the range 1-100nm in size and contain a few hundred atoms
4
Q
How many metres is one nanometre?
A
0.000000001
