Write a conclusion to this lab in which you: restate the purpose, summarize your procedure and data recorded, explain the math, and finally give your results. Also, in your conclusion, explain the concept of a weighted average, and how it applies to the determination of the average atomic mass of the elements on the Periodic Table.
Remember, here is a great guide for writing your conclusion:
2) Summarize the procedure and data collection
3) Discuss any important principles / equations used
4) Explain the graphs and/or math
Also, please include any other interesting information you would like to add.