The week began on Monday with a little review on the concepts we learned throughout the past month regarding stoichiometry. Some on these included Theoretical Yield, Actual Yield, Mass Percent, Limiting Reactants, and Empirical Formulas. We went over a lot of material as a class with whiteboards on Monday while Dr. J assigned us three, multiple-choice, review quizzes online for us to do without a calculator online as homework. These quizzes were fantastic prep for the test and almost completely covered all of the concepts we needed to know on the multiple-choice part of the exam. Given below is a brief lecture covering how to do the math portion of the exam without a calculator. It even hinted a little at the formulas we may have needed to know for the test.
The day before the big test, we worked on problems very similar to the quizzes he assigned for us to complete by Tuesday night. This in class review helped me out tremendously especially regarding the problems I was very puzzled on. We mainly focused on reviewing problems that had to do with Masses and the Mole but we eventually got a solid few minutes to review Chemical Equations, Stoichiometry, and Stoichiometric Applications further in depth. Overall, the test had a better outcome than I expected but I still was not particularly satisfied with my final score. I should dedicate more time to reviewing for the exam earlier in the week before the next big test.
Following the test, we worked all day on Thursday and Friday in table groups on a POGIL activity explaining the basics of Lewis structures and covalent bonds. We stopped periodically throughout the POGIL at various points in which as a class we proceeded to white board and go over the more important answers. Learning the concept of drawing Lewis structures became much easier with the POGIL explaining it in a simple and concise way. The image below makes it very easy to understand what a covalent bond is and also very easily shows us how to draw a Lewis structure.
Lewis structures have a very basic format and are just as easily formed. It is very important though to remember the rules of the Lewis structures when creating them. The image below briefly gives the two most important rules when making a Lewis structure.
As you can see, this week mainly consisted of reviewing for the test on stoichiometry but also featured a two day introduction to Lewis structures. My participation in class this week was overall very good. I believe I heavily contributed to everything our group and class did this week. I do not particularly have any questions on what we learned this week, I understood the concepts pretty well. Overall, I am very comfortable with my understanding of what we learned this week. I feel very confident that I know almost all of the information very well. I could still work on mastering stoichiometric problems but overall I feel I am alright where I am regarding those. My only question would be, where do we go from here?
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