Prof. Yu

For non-HCI07S6Hers:

Are U wondering that why "Prof Yu"/ "Calcium 41" / ... suddenly became so popular in chem lecture?

Are U questioning that who is Prof Yu in fact?

Now it's the time for us to know more about him.

(site: http://HCI07S6H.googlepages.com/yusiqing)

site under construction yet.

For HCI07S6Hers:
There is a question posted by Prof Yu for all of to to solve. Click the above link for more details.