characterisation notes Energy levels Flashcards
1
Q
radiowaves
A
long waves
used in nmr
nuclei flip.
atoms Ms is in two directions - up and down
the difference in energy between spins are equal to a photon.
2
Q
microwaves
A
rotational
causes heat energy.
3
Q
IF
A
bonds vibrate in and out
bond stretch
bonds have unique energy
4
Q
visible light
A
large conjuated chain molecules.
energy levels are close together
excite electrons - makes molecules colourful
