Objective Sheet
2. Describe the focus of study for each of the six branches of chemistry.
3. Explain the difference between pure and applied chemistry.
4. List the steps of the scientific method and highlight the key points of each.
5. Compare (and contrast) a scientific law and a theory.
6. Define hypothesis.
7. Define matter.
8. Define mass.
9. Explain the difference between a substance and a mixture.
10. List the two different types of substances.
11. Give examples of elements.
12. Give examples of compounds.
13. Compare (and contrast) elements and compounds.
14. List the two different types of mixtures.
15. Compare (and contrast) heterogeneous and homogeneous mixtures.
16. Give examples of heterogeneous mixtures.
17. Give examples of homogeneous mixtures.
18. List the three states of matter.
19. Explain how solids, liquids, and gases compare in the following areas: mass,
shape, volume, compressibility, and space between molecules.
20. Explain the difference between a gas and a vapor.
21. List several physical properties of matter.
22. List several chemical properties of matter.
23. State whether a reaction produces a physical change or a chemical change.
24. List the five indicators for a chemical change.
25. Explain the following process used to separate mixtures: chromatography,
electrolysis, filtration, crystallization, and distillation.
26. Identify the five processes listed in step #25 as physical or chemical.
27. Identify the five processes listed in step #25 as being used to separate
heterogeneous or homogeneous mixtures.
28. Explain the correct procedure for writing chemical symbols.
29. Identify the chemical elements listed in a chemical formula.
30. Explain why some chemical symbols look nothing like the element name.
31. Given a chemical reaction, identify the reactants and the products.
32. Define the words reactant and product.
33. State the law of conservation of mass.
34. Use the law of conservation of mass to determine the amount of reactant or
product present in a given reaction.
35. Know the symbols and the names for the first twenty-five elements.