topic 2b - types of matter (3. nano particles) Flashcards
1
Q
what is the measurement tiny particles are measured in
A
nano meter or micro meter
2
Q
what are coarse particles
A
diameter between 2500nm and 10000nm
3
Q
what are fine particles
A
diameter between 100nm to 2500nm
4
Q
what are nano particles
A
diameter between 1nm and 100nm
5
Q
what are nano particles sa:v
A
very high sa:v ratio, sa:v + sa/v