NAME: PERIOD: Chemistry 1 Study Guide ­ Final 2015 ** Use your notes, workbook, foldables and/or the internet! ** All notes can be retrieved from my website on my calendar if needed. **This is due on ​
May 18th (A Day) and May 19th (B DAY)​
** You will be graded on ​
completion This will be worth a ​
TEST GRADE​
! Study guides not be accepted late due to posting of answers. 1. List ​
and​
explain the steps of the scientific method? 2. Define quantitative ​
and​
qualitative data. Give ​
two​
examples of each. 3. Define dependent ​
and​
independent variables. 4. List ​
10​
lab safety rules. (These you may have to look up online “Flinn Safety Lab Rules” ­ unless you have your quiz from the beginning of the year or a great memory! =) 5. Convert the following to scientific notation: a. 0.0000398 b. 0.00228 c. 1,599,000,000 d. 135,000,000,000 You got this! Hard work and dedication will be rewarded!! ​
1 6. Convert the following to standard form: ­5 a. 1.5 x 10​
9 b. 3.5 x 10​
3 c. 4.4 x 10​
­3
d. 7.853 x 10​
7. Define and give ​
two ​
examples of intensive and extensive properties. 8. Provide ​
five​
examples of chemical changes and ​
five​
examples of physical changes. 9. Of the five examples above, which are reversible and which are irreversible? 10. List ​
four​
clues that can tell us whether or not a chemical change has occurred. 11. State the Law of Conservation of Matter. 12. Define homogeneous and heterogeneous mixtures. 13. Who was the first person to arrange a periodic table? You got this! Hard work and dedication will be rewarded!! ​
2 14. What are the main three classes of elements ​
and ​
their properties? a. b. c. 15. Write out the electron configuration for the following element: Ni 16. Write out the noble gas configuration for the following element: Pa 17. What is an ion? Give an example. 18. What is the difference between a cation and an anion? 19. How are ionic compounds formed? Are they charged or neutral? Why? 20. What are alloys? How are they useful? Give ​
three​
examples. 21. Round each measurement to three significant figures. a. 87.073 meters b. 0.01552 meters c. 629.55 meters 22. Solve the following using the correct significant figures. a. 61.2 + 9.35 + 8.6 = b. 34.61 ­ 17.3 = c. 7.55 x 0.34 = d. 2.10 x 0.70 = You got this! Hard work and dedication will be rewarded!! ​
3 23. Convert 5 gallons to ounces. Show all work. 3​
24. In the lab, a unknown piece of metal is found to have a volume of 245 cm​
and a mass of 612 g. Calculate the density and identify the metal from the table below. Metal Density Al 2.70 g/cm3​
Pb 11.4 g/cm3​
Au 19.3 g/cm3​
25. Fill in the following table: Element Name Atomic Number Protons Neutrons Mass number Neon 35 87 26. Compare Ionic Compounds and Covalent Compounds with a Venn Diagram. (At least 5 facts for each) 27. Which elements are diatomic molecules? 28. Draw the structure for CCl​
and name the molecular shape. 4​
29. Name the following compounds: PCl​
and N​
0​
. 5​
2​
4​
You got this! Hard work and dedication will be rewarded!! ​
4 30. What is the empirical formula for the compound whose has 37.5 % Carbon, 12.5% Hydrogen, and 50.0% Oxygen. 31. What is the molar mass of FeSO​
? 4​
32. How many atoms are in 14.5 mol of Ag? 33. How many formula units are in 47.2 g of NaCl? 34. How many molecules are in 503 g of PCl​
? 5​
25 ​
35. Calculate the mass in grams of 9.5 X 10​
atoms of Ag. 36. What are the reactants in the following reaction? Mg (s) + O​
(g) → MgO (s) 2 ​
37. Name four types of reactions and give one example of each. You got this! Hard work and dedication will be rewarded!! ​
5 38. What are the three intermolecular forces? Which is the strongest and which is the weakest of the three? 39. Define triple point on a phase diagram. **Be able to read phase diagrams.** 40. What is the difference between endothermic and exothermic reactions? 41. Define nuclear chemistry. Name and describe the two types of nuclear reactions. You got this! Hard work and dedication will be rewarded!! ​
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