Polymers, Sizes Of Particles, Nanoparticles Flashcards
(5 cards)
1
Q
What is a polymer how do we make it?
A
A polymer is a very large molecule
We make them by joining together thousands of small, identical molecules called monomers.
2
Q
Size of millimetre
A
1/1000th of a meter
1 x 10 -3
3
Q
Size of micrometre
A
1/1000th of a millimetre
1 x 10 -6
4
Q
Size of nanometre
A
1/1000th micrometre
1 x 10-9
5
Q
Key particles fact
Surface area : volume
A
As particle size decreases by 10x the surface area to volume ratio increases by 10x
