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Chapter 2.8 - ¾ Electronegative ¾ Electropositive ¾...

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29 MSE 2090: Introduction to Materials Science Chapter 2, Bonding Bonding in real materials Examples of bonding in Materials: Metals: Metallic Ceramics: Ionic / Covalent Polymers: Covalent and Secondary Semiconductors: Covalent or Covalent / Ionic In many materials more than one type of bonding is involved ( ionic and covalent in ceramics, covalent and secondary in polymers, covalent and ionic in semiconductors.
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30 MSE 2090: Introduction to Materials Science Chapter 2, Bonding Correlation between bonding energy and melting temperature
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31 MSE 2090: Introduction to Materials Science Chapter 2, Bonding Summary ¾ Atomic mass unit (amu) ¾ Atomic number ¾ Atomic weight ¾ Bonding energy ¾ Coulombic force ¾ Covalent bond ¾ Dipole (electric) ¾ Electron state
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