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Leader: Brett
Course: Chem 163
Instructor: Kingston
Supplemental Instruction
Date: Tuesday, January 17th 2012
Iowa State University
1. Define matter. What are the two chemical classifications of matter? What is the
difference between the two classifications? Give an example of each.
Chapter 1
What is Chemistry?
2. What are the two types of pure substances and what are their differences?
3. What is a physical transformation? What are examples of physical properties?
4. What is a chemical transformation? What are examples of chemical properties?
5. Circle which target is more precise? Box which is more accurate?
A
B
6. Determine the number of significant figures in each of the following numbers.
a) 2.689
b) .0010
c) 3.0900 x 10 –3
7. List the six (6) diatomic molecules discussed in class.
Supplemental Instruction
1060 Hixson-Lied Student Success Center  294-6624  www.si.iastate.edu
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