Nanoparticles Flashcards

1
Q

What is a nanoparticle

A

A nanoparticle is a structure that is 1-100 nm in size. It contains a few hundred atoms.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How long is one nanometre

A

0.000 000 001m (1x10^-9)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Nanoparticles have very different properties and uses from bulk material. This is due to their…

A

Hugh surface area to volume ratio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Gold metal is very un reactive however gold nanoparticles can be used as a catalyst in some chemical reactions. Why is this

A

Because of nanoparticles very high surface area to volume ratio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly