Here are a few URL’s that should help you with your teaching of topic 2, atomic structure.
A time line outlining the development of the model of the atom – nice and simple but stright to the point. Very useful:
A pretty gentle introduction to the mass spectrometer – I love this siter. It does not bang and whizz but it is easy to follow and to the point. More able students like it as well but weaker students do find it difficult to follow:
An informative website inot electron arrangements – again, nothing here to wow the student but from the teachers point of view, lots of good, relevant and factual information:
So, enjoy – I hope you find them useful – please feel free to give me some feedback or even post your own useful websites in the comment box below