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Chem I Final Review
Chem II Final Review
September 22-26 2008 Week 4
Quiz Chapters 1-4.
1. Draw and describe John Dalton's model of an atom and his four key points about what atoms look like.
2. Draw the Rutherford Gold Foil experiment. What did it prove?
3. What was JJ Thompson's addition to the theory of the atom. Describe his model.
4. Describe what Marie Curie Found and announced to the scientific world and why I think she's such a remarkable chemist.
5. What is an element? How do we tell elements apart? What is an atom?
6. What are the major steps of the scientific method.
7. If I do a multiplication problem and there are 3 terms in it. One with 5 sig figs, one with 2, and one with 8 how many sig figs will my answer have?
8. make up 4 large numbers. Round them to the third sig fig and put them into scienfific notation.
9. Add together 2.66848, 883.239, and 4.2. Round to where you have to and put it into sci. not.
10.What's the charge of a proton, nuetron, and an electron? What do they weigh in terms of atomic mass units?
11. List the key properties of solids, liquids and gases.
12. What 2 things constitute the given? What 3 things constitute the given if it's a chemical that we're discussing
13. How do I know if something is a heterogeneous mixture or a homogeneous mixture?
14. What are three methods of separating heterogeneous mixtures. Draw examples.
15. List 3 physical properties, list 3 chemical properties.
16 what do the terms endothermic and exothermic mean. Write generic equations for both and show me where the symbol for heat goes in the reactions.
17. If you have 38g of water and the specific heat is 4.18J/gC and you heat it up so the temperature of the water changes by 60C how much energy went into that?
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