"PoP" wrote
| Some people have mental blocks about this and lots of other things.
| I'm the same when it comes to chemistry. I could never, ever, figure
| out all those chemical symbols and so on - and yet everyone around me
| had no problem at all.

My chemistry teacher once assured my mother that I would pick up symbols and
valencies just as easily as I'd learned multiplication tables.

My mother looked at him and just said "but he never learnt them either"

Owain