Chemistry 11:  Today I collected the Density Lab and Unit 4 # 1-3 and any 20 from # 4 & 5.  We watched a short clip on Aluminum.  Due Wednesday is Unit 4 # 6, 7 and any 6 total from # 4 and 5.  Lab 3A is also due Wednesday (All Questions and Calculations, and Follow -Up Questions #1-3, no conclusion).    Test on Friday.