So, you have covered the structure of the atom – pretty simple stuff, eh?

Now you move onto the mass spectrometer. This can be harder, I mean, how many schools actually have one of these machines?

You may be lucky enough to be close to a university and arrange a trip there. If not, you will have to stick to your teaching and maybe a video, such as the one below.

[youtube]J-waooOo-qm[/youtube]