Pre-AP Chemistry Summer Assignment Part I: Memorization Memorize both the correct spelling and the symbol (including what is capitol and lowercase) for the elements listed. There will be a quiz over this the first day of instruction. H - Hydrogen He - Helium Li - Lithium Be - Beryllium B - Boron C - Carbon N - Nitrogen O - Oxygen F - Fluorine Ne - Neon Na - Sodium Mg - Magnesium Al - Aluminum Si - Silicon P - Phosphorus S - Sulfur Cl - Chlorine Ar - Argon K - Potassium Ca - Calcium Sc - Scandium Ti - Titanium V - Vanadium Cr - Chromium Mn - Manganese Fe - Iron Co - Cobalt Ni - Nickel Cu - Copper Zn - Zinc Ga - Gallium Ge - Germanium As - Arsenic Se - Selenium Br - Bromine Kr - Krypton Rb - Rubidium Sr - Strontium Y - Yttrium Zr - Zirconium Pd - Palladium Ag - Silver In - Indium Sn - Tin Sb - Antimony Te - Tellurium I - Iodine Xe - Xenon Cs - Cesium Ba - Barium La - Lanthanum W - Tungsten Pt - Platinum Au - Gold Hg - Mercury Pb - Lead Bi - Bismuth Rn - Radon Fr - Francium Ra - Radium Ac - Actinium U - Uranium Pu - Plutonium Memorize the name, compound, and charge of the following polyatomic ions. Be aware of the expectation that root, prefix, and suffix trends can be applied to other polyatomic ions (i.e., BrO3- is bromate, since it has a similar set-up to ClO3-, which is chlorate.) There will be a quiz over this the first week of instruction. Part II: Calculations and Dimensional Analysis (This portion will be turned in on the first day of school) Complete each prompt. Show work and report answer to the correct number of significant figures using the expanded rules listed below. All answers must have units or will not be accepted. Answers are not required to be in scientific notation, but if the practice is wanted then I’ll accept answers either way. There will be a quiz over these skills the first week of instruction. Significant Figure Rules: o All non-zero digits are significant o Leading zeros are never significant (0.005 has 1 sigfig) o Zeros between non-zero digits are always significant (0.00504 has 3 sigfig) o Trailing zeros are significant if there is a defined decimal (50 has 1 sigfig, but 50. has 2 sigfig) o Exact numbers, such as the number of people in a room, have an infinite number of significant figures. Exact numbers are counting up how many of something is present, they are not measurements made with instruments. Another example are defined numbers and conversion factors, such as 1000 meters = 1 kilometer. o When combining measurements (math) with different degrees of accuracy and precision, the accuracy of the final answer can be no greater than the least accurate measurement. When measurements are added or subtracted, the answer can contain no more decimal places than the least accurate measurement. 150.0 g H2O + 0.507 g salt 150.5 g solution When measurements are multiplied or divided, the answer can contain no more significant figures than the least accurate measurement. 0.00435 × 4.6 = 0.020 Conversion Factors: 1 inch = 2.54 cm 5280 feet = 1 mile 1 quart = 0.9463 L 4 quarts = 1 gallon 1 ounce = 28.35 g 1 pound = 0.454 kg 1 yard = 3 feet = 36 inches 32 ounces = 1 quart 16 ounces = 1 pound Problems: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. A mass of 0.15 ounces is equal to how many grams? 2.00 gallons is equal to how many liters? 9.83ft are how many cm? 4.0 lb is equal to how many mg? 3.7 gal is equal to how many mL? A 10. km race is how many miles? 207 g is equivalent to how many pounds? Convert 10095 m/s to miles/s Traveling at 65 miles/hour, how many minutes will it take to drive 125 miles to San Diego? A person was pulled over on the highway by an officer claiming she was speeding. The speed limit is 65 mi/hr and he had traveled 97 km in 102 minutes. How fast was the person’s average speed? Does he deserve a ticket?
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