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CP CHEMISTRY MRS. PITTENGER Lab: Beanium Students: Please read the following information given below, and then come to class on your lab day with the following already prepared in your notebooks: 1) Date, 2) Partner, 3) Title, 4) Purpose, 5) Materials, 6) Safety, 7) Procedures, and 8) Data/Calculations Table. Questions on the last page need to be printed out and will be done after completion of the experiment. These questions will be due one week after performing the lab in class (your next lab class). In this lab, you will be given a bottle of beans. The beans will represent atoms. In each bottle there are three different types of beans. Each type will represent an isotope. Beanium is the name of the element. Beanium has three isotopes that are easily identified. The isotopes are called “black-eyed” (white with a black dot), “kidney” (dark maroon red), and “pinto” (brown with dark specks). To determine the atomic mass of the element Beanium, you will need to know two pieces of information-the mass of each of the isotopes and how abundant each isotope is (as a %). To accomplish this lab you will have to perform the following steps: 1. Separate the sample into these three isotopes and record the total mass of each type of isotope. 2. Then record the number of atoms in each type of isotope. 3. Then calculate the average mass for one atom (bean). 4. Determine the percent abundance (percentages) of each isotope in the sample. 5. Calculate the weighted atomic average mass of Beanium once you have the average mass of each isotope. Place the table below in your notebook: ISOTOPE MASS OF ISOTOPE-TYPE NUMBER OF ATOMS AVERAGE MASS(of one atom) PERCENT ABUNDANCE black-eyed kidney pinto Place the table below in your notebook: ISOTOPE black-eyed kidney pinto CP CHEMISTRY Name______________________________________ Period_________________ MRS. PITTENGER Date_____________ Lab Group #_______ Lab: Beanium 1. What is an isotope? 2. Complete the table below, make sure to include proper units. ISOTOPE MASS OF ISOTOPE-TYPE NUMBER OF ATOMS black-eyed kidney pinto 3. What is the total number of atoms in your sample? 4. What is the total mass of the sample? 5. Complete the table below, make sure to SHOW ALL WORK and include proper units. NO WORK NO CREDIT ISOTOPE AVERAGE MASS (of one atom) PERCENT ABUNDANCE black-eyed kidney pinto 6. Calculate the weighted atomic mass of beanium. Make sure to SHOW ALL WORK & include proper units.
