Topics 2.5 - 2.6

Link to the AP Chemistry Course and Exam Description (CED): https://bit.ly/4eXJICn Link to my AP Chemistry packet on Topics 2.5 - 2.6: https://bit.ly/4uDWn5a 0:00 Intro 0:40 Topic 2.5 Lewis Diagrams 1:23 Lewis symbols for elements in Period 2 1:52 Explanation of Lewis diagrams 3:54 Procedure for drawing a Lewis diagram 6:58 Question 1 (CH₄, NH₃, H₂O, and HF) 9:20 Question 1 (CF₄, NF₃, OF₂, and F₂) 12:31 Question 1 (CH₂F₂, H₂O₂, C₂H₅F, and C₂H₅OH) 16:29 Question 1 Polyatomic Ions 22:15 Comment about using only single bonds to the possibility of having a multiple bond 23:02 Question 2 (O₂, N₂, CO, and CO₂) 27:42 Question 2 (HCN, CH₂O, C₂H₄, and C₂H₂) 33:09 Question 2 (C₃H₆) 35:15 Question 2 (O₃, SO₂, and SO₃) 39:22 Question 2 Polyatomic Ions 43:57 Topic 2.6 Resonance and Formal Charge 48:19 Question 3 51:06 Question 4 54:10 Question 5 56:13 Introduction to Formal Charge 58:08 Question 6 1:02:18 Question 7 1:05:17 Question 8 1:08:25 Question 9 1:09:42 Question 10 1:12:07 Question 11 (The central atom has less than an octet) 1:14:39 Hypervalent molecules and polyatomic ions in which the central atom has more than an octet 1:16:49 Question 12 (Calculating the total number of valence electrons) 1:18:29 Question 12 (SF₄, ClF₃, and XeF₂) 1:23:17 Question 12 (BrF₅, XeF₄, Br₃⁻)