Modern Chemistry Chapter 6 Chemical Bonding Notes from Reading Section 1 Introduction to Chemical Bonding Pages 175-177 1. Define chemical bond. 2. Draw a diagram showing the attractive and repulsive forces present as atoms bond. 3. Define ionic bonding. 4. Define covalent bonding. 5. How cant he type of bond between two atoms be estimated. 6. Draw the diagram that relates EN difference to bond type. 7. Define nonpolar covalent bond. 8. Define polar covalent bond. 9. What is an electron dot diagram? (page 184 in section 2) Section 3 Ionic Bonding and Ionic Compounds Pages 190-194 10. Define ionic compound bond. 11. Define formula unit. 12. Using electron dot diagrams show how sodium will bond with chlorine and how calcium will bond with fluorine. 13. Define crystal lattice. 14. What is the relationship between crystal lattice and potential energy? 15. Define lattice energy. 16. Why is the value for lattice energy negative? 17. Compare and contrast the properties of ionic compounds and molecular compounds in a two column table. 18. Define polyatomic ions. 19. Give four examples of polyatomic ions. Section 4 Metallic Bonding Pages 195-196 20. Define metallic bonding. 21. Explain what happens to high energy electrons and orbitals in a metal. 22. Give five properties of metals. 23. How is the shiny luster of metals explained? 24. How are the properties of malleability and ductility explained? 25. Define enthalpy of vaporization. 26. How is the strength of metallic bonds measured?