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Formal Charge Chad gives a brief breakdown on how to quickly identify atoms that are likely to have a formal charge in a Lewis structure as well as how to calculate the formal charge quickly. Rather than the complex formula often given for how to calculate the formal charge of an atom, Chad shows that it more simply can be summarized as Normal Valence electrons minus "dots and lines." He works several examples to demonstrate the simplicity of using this formula to calculate the formal charge of an atom from the Lewis structure. If you want all my study guides, quizzes, and practice exams, check out my premium course at https://www.chadsprep.com/organic-chemistry-youtube Happy Studying! 00:00 Introductory Remarks 00:41 Introduction to Formal Charges 02:03 How to Calculate Formal Charge https://www.chadsprep.com/ #organicchemistry #organicchemistrytutorial #formalcharge
Answer each question based on what was presented in the video lesson. No outside knowledge is required — all answers can be found in the video.
Apply the formal charge formulas shown in the video to calculate formal charges on atoms in Lewis structures. Show all work and remember to use both the standard formula and the shortcut (dots and lines) method. Problems increase in difficulty.
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These are challenging, exam-level questions on formal charge. You will need to apply multiple methods, analyze molecular structures, and evaluate scenarios that extend beyond typical examples — including octet-rule exceptions and real-world molecules.