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  3. 1 what are the atomic binding force and energy how...

Question: 1 what are the atomic binding force and energy how...

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1. What are the atomic binding force and energy? How do they relate to materials strength and thermal stability? (10 points) 2. What is the metallic bond? How is it formed? What are its characteristics? (10 points) 3. What is the ionic bond? How is it formed? What are its characteristics? (10 points) 4. What is covalent bond? How is it formed? What are its characteristics? (10 points) 5. What is Van der Waals bond? How is it formed? What are its characteristics? (10 points) 6. Which four categories are materials classified based on the types of chemical bonds? (10 points) 7. What is the sp3 hybridization? What is the p-sp2 hybridization? (10 points) 8. Diamond and graphite are both made of carbon. Diamond is an electrical insulator, is the hardest material in the word and is often used as a cutting tool. In drastic contrast, graphite is an excellent electrical conductor, is easy to be cut and is often used as a lubricant at high-temperature mechanical environments. You have learnt the covalent bond, the van der Waals bond and the hexagonal carbon ring. Please explain why the properties of diamond and graphite are so different? (10 points)

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