Test 3 - question 16 was a repeat of question 9. Question 16 was omitted. However if you answered 9 OR 16 correctly you received credit for 9.
Test 1 - part 1 - spectroscopy 20%
Test 1 - part 2 80%
Test 3 now in pdf format! requires the free acrobat reader
Test 4 now in pdf format! requires the free acrobat reader