7. Explain the signficance of signficant figures (sig figs) and two pieces of information every quantatitive observation provides.
8. Explain the difference between physical and chemical properties including providing examples.
9. Explain the difference between intensive and extensive properties including providing examples.
10. Explain the difference between chemical change (i.e. chemical reaction ) and a physical process. Give me two physical processes and one chemical change.
11. State the four observations for a chemical reaction. (with an example of each)
12. Explain the difference between an element and a compound.
13. Differentiate between a heterogeneous and homogeneous mixture including providing examples.
14. Explain the three difference between a compound and a mixture.