Lecture 1312014.pdf

3 Pages

Materials Science
Course Code
MATS 3011
Bharat Jalan

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Lecture 1312014Wednesday January 29 2014223 PMRecapIonic Bonding NondirectionalCovalent Bonding DirectionalElectronegativityTodayMetallic Bonding Global sharing of valence electronsNondirectional1322621Example Al 1s2s2p3s3p wants to give up 3 electrons bc 3 on energy level 3electrons are delocalizedbasis for conductivitymedium to strongoex Al tmp660 CoW tmp3410 CWhy the difference in melting points Bonding strength increases as you move d
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