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Lecture

ch 9 chemical bonding 2

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Department
Chemistry
Course
CHMA10H3
Professor
Xiao- An Zhang
Semester
Fall

Description
Chem Lecture- chapter 9 – chemical bonding 2 Slide 1: Chemical Bonding - Chemical Bonds: describe the interactions between atoms - The importance: from elements to molecules Slide 2- bonding theory Slide 3- Why doatoms bond - Potential energy - Over all potential energy is lower for molecules than for single atoms - Nucleus-to-nucleus repulsions - Electron-electron repulsion - Nucleus-electron attraction Slide 4 – types of bond - Ionic-metal to non-metal - Covalent- nonmental to non-metal Slide 5- Lewis bonding theory - Valence electrons - Lewis structures Valence electron - Outer most electron - Highest principle energy shell - Electrons that are not valence are called core electrons Valence
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