The easy way to keep up with the prep you forgot to note down.
Remember to hand in work to the correct tray by 8.45 the morning it is due.
Monday, 26 April 2010
3.2b homework 26/4/10
Work through the worksheets om valency. learn the 11 highlighted valencies and how to work out valencies fron the Periodic Table. Stick the sheets into your lab book and do the last 12 examples at the bottom of page 3.
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