NanoTechnology Flashcards
1
Q
What are carbon nanomaterial?
A
2
Q
What is a nanoparticle?
A
They are spherical particles with diameters about 1-100nm.
At this size materials begin to react or behave differently.
They have greater surface area and tend to be more reactive.
3
Q
Examples where Nanoparticles are used.
A
Cosmetic and sunscreen.
Sunscreen used nanoparticles of titanium dioxide to block the sunlight. They act like tiny mirrors that reflect sunlight.
4
Q
Compounds
A
Compounds are pure substances that are made up of 1 type of atom.
5
Q
Mixtures
A
Mixtures are when two or more substances are mixed together.