AP Chem - Unit 2 Review - Compound Structure and Properties

In this video, Mr. Krug reviews Unit 2 in about 10 minutes, which covers Compound Structure and Properties.
00:00 Introduction
00:22 Topic 1 - Types of Chemical Bonds
01:58 Topic 2 - Intramolecular Force and Potential Energy
03:52 Topic 3 - Structure of Ionic Solids
04:26 Topic 4 - Structure of Metals and Alloys
05:42 Topic 5 - Lewis Diagrams
07:30 Topic 6 - Resonance and Formal Charge
09:20 Topic 7 - VSEPR and Hybridization

[solr]

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[abel]

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[krishnannarayanan]

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[graceb]

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[HazmatGamer]

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[RLSTUDOS]

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[longblanket]

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[duck-vtco]

in 10:37, are the unshared pairs for the central or the other atoms? Also your videos are the best out there!!!!

[not_luciiaa]

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[lucaswang]

how do you count unshared pairs? also, whenever counting the hybridization, do you always just add 1 because the sigma value is always 1?