Chemistry 1010 Spring 2023 Exam I Practice 100 points Part 1 Fill in the blank 10 points 1 How many micrometers are in one kilometer 2 What does the atomic mass tell you about an atom 3 Name a Fe2O3 4 Neutral Technetium Tc has how many neutrons 5 A negatively charged ion is called an 6 What was Mendeleev s contribution to chemistry 7 How many significant figures are implied by counting items 8 Dew forming on grass is what kind of physical transition 9 Soda and ice can be classified as a 10 What is the formula for Potassium Oxide 1 Chemistry 1010 Spring 2023 Exam I Practice 100 points Part 2 True or False 10 points 1 Neutrons have the same mass as protons 3 sf T 2 Hydrogen isotopes have different numbers of electrons T 3 A change in color is an example of a physical change T 4 All life on Earth stems from one source is an example of a scientific theory 5 The number 0 0010 has 4 significant figures 6 Transition Metals can have more than one charge 7 Silicon is a non metal 8 Cesium is an alkali earth metal 9 The sky is blue is an example of a scientific law An appropriate unit of measure for area is m3 T T T T T T T 10 F F F F F F F F F F 2 Chemistry 1010 Spring 2023 Exam I Practice 100 points Part 3 Multiple choice 10 points Choose the best answer 1 The element technetium is a a Halogen b Transition metal c Post transition or poor metal d Metalloid e None of the above 2 Anions a Lose electrons b Have a positive charge c Are metals d Options a b and c e None of the above 3 An ion of strontium has a charge of a 0 b 1 c 2 d 3 e None of the above a 0 b 1 c 2 d 2 e None of the above 4 Liquid iodine has a charge of 3 5 An anion of oxygen 16 has how many protons Chemistry 1010 Spring 2023 Exam I Practice 100 points a 5 b 6 c 7 d 8 e None of the above 6 Tin Sn is a a Metal b None metal c Metalloid d Choices a and c e None of the above a 0 002 b 2 46 103 c 2 45 10 3 d 2 45 103 e 2 46 10 3 8 A picometer is a unit of a Area b Length c Volume d Pressure e None of the above 7 If converted to scientific notation and rounded to three significant figures the 0 002459 4 Chemistry 1010 Spring 2023 Exam I Practice 100 points 9 What do the following have in common H 1 H 2 and H 3 a Number of neutrons b They are isotopes c Number of electrons d Number of protons e B C and D Which statement is not a hypothesis a The rate that grass grows is related to the amount of light it receives b Caffeine raises blood pressure c New tennis balls bounce higher than old tennis balls d Compounds have definite proportions e Non of the above 10 5 Chemistry 1010 Spring 2023 Exam I Practice 100 points Part 4 Complete the following tables 24 points 1 Fill out the table with the appropriate information 14 points Element Name Element Symbol Atomic number Most likely ion charge Carbon K Be 36 Gold 1 6 2 Complete the table using the following information Show your work in the space below for full credit 10 points Kelvin Fahrenheit Celsius 0 00 20 0 Chemistry 1010 Spring 2023 Exam I Practice 100 points K 0C 273 15 0F 1 8 0C 32 2400 7 Chemistry 1010 Spring 2023 Exam I Practice 100 points Part 5 short response 34 points 1 Classify each element as a metal metalloid or non metal 12 points a Cs b Sn c Sb d Bi e U f Si 2 Give your interpretation of the Law of Multiple Proportions Provide an example 10 points Use complete sentences 8 Chemistry 1010 Spring 2023 Exam I Practice 100 points 3 Perform the following conversions with correct s f 12 points a 200 0 fluid ounces to liters b 2 577 105 inches2 to meters m2 9 Part 6 Computation 12 points 1 Calculate the average atomic mass of Iron using the chart provided Isotopic symbol Natural Abundance 54Fe 56Fe 57Fe 58Fe 5 8 91 7 2 2 0 3 Chemistry 1010 Spring 2023 Exam I Practice 100 points 6pts 10 Chemistry 1010 Spring 2023 Exam I Practice 100 points 2 Determine the volume in milliliters of a rock that weighs 52 0 g and has a density of 19 4 g ml 6 points 11