1.4 Nano Particles Flashcards
1
Q
What is a Nano particle
A
A structure that is 1-100nm in size.
2
Q
Measurement of nano metre
A
10⁻⁹m
3
Q
Why are Nano particles used in sun creams
A
Better coverage to the sun cream
They give more effective protection to the suns ultraviolet rays
4
Q
Risks of using Nano particles
A
Nanoparticles in the body can cause cell damage
Harmful effects on the vironment (they wash off and enter the water environment)
5
Q
A
