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# 6.1 covalent bonding

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• ### 6.1 covalent bonding

1. 1. 6.1
2. 2. 0 - + +0.5 - 6.12.1 Covalent>3.3 Bonding
3. 3. Covalent bonding
4. 4. Covalent bonding• Different from ionic.
5. 5. Covalent bonding• Different from ionic.
6. 6. Covalent bonding• Different from ionic.• Ionic is transferring electrons
7. 7. Covalent bonding• Different from ionic.• Ionic is transferring electrons
8. 8. Covalent bonding• Different from ionic.• Ionic is transferring electrons• Covalent is SHARING ELECTRONS.
9. 9. Hydrogen gas
10. 10. Hydrogen gas• Example of sharing, but what happens?
11. 11. Hydrogen gas• Example of sharing, but what happens? - + + -
12. 12. Hydrogen gas• Example of sharing, but what happens? - + + -
13. 13. Hydrogen gas• Example of sharing, but what happens? - + + -
14. 14. Hydrogen gas• Example of sharing, but what happens? - + + -
15. 15. Hydrogen gas• Example of sharing, but what happens? - + + - repulsions
16. 16. Hydrogen gas• Example of sharing, but what happens? - + + - repulsions
17. 17. Hydrogen gas• Example of sharing, but what happens? - + + - repulsions attractions
18. 18. Hydrogen gas• Example of sharing, but what happens? - + + - repulsions attractions
19. 19. Hydrogen gas• Example of sharing, but what happens? - + + - They SHARE the e-, repulsions creating a attractions molecular orbital.
20. 20. Electronegativity and bonding
21. 21. Electronegativity and bonding• Electronegativity: The ability of an atom to attract e-. – This causes some atoms to “share” electrons unequally.
22. 22. Electronegativity and bonding• Electronegativity: The ability of an atom to attract e-. – This causes some atoms to “share” electrons unequally.• How is this determined? – Find the difference (subtract) in electronegativity.
23. 23. 3 types of bonds
24. 24. Electronegativity differences 3 types of bonds
25. 25. Electronegativity differences 3 types of bonds
26. 26. Electronegativity differences 3 types of bonds 0 0.5
27. 27. Electronegativity differences 3 types of bonds 0 0.5
28. 28. Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5
29. 29. Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 2.1
30. 30. Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 δ+ δ- 2.1
31. 31. Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 δ+ δ- polar covalent 2.1
32. 32. Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 δ+ δ- polar covalent 2.1>3.3
33. 33. Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 δ+ δ- polar covalent 2.1 + ->3.3
34. 34. Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 δ+ δ- polar covalent 2.1 + - ionic>3.3
35. 35. Determine the type of bond.
36. 36. Determine the type of bond.• NO2 ………………………………
37. 37. Determine the type of bond.• NO2 ………………………………
38. 38. Determine the type of bond.• NO2 ………………………………
39. 39. Determine the type of bond.• NO2 ………………………………
40. 40. Determine the type of bond.• NO2 ………………………………• CaCl2 ……………………………
41. 41. Determine the type of bond.• NO2 ………………………………• CaCl2 ……………………………
42. 42. Determine the type of bond.• NO2 ………………………………• CaCl2 ……………………………
43. 43. Determine the type of bond.• NO2 ………………………………• CaCl2 ……………………………
44. 44. Determine the type of bond.• NO2 ………………………………• CaCl2 ……………………………• CF4 ………………………………
45. 45. Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0• CaCl2 ……………………………• CF4 ………………………………
46. 46. Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40• CaCl2 ……………………………• CF4 ………………………………
47. 47. Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 ……………………………• CF4 ………………………………
48. 48. Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 …………………………… 3.2 - 1.0• CF4 ………………………………
49. 49. Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 …………………………… 3.2 - 1.0 = 2.2• CF4 ………………………………
50. 50. Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 …………………………… 3.2 - 1.0 = 2.2 = Ionic• CF4 ………………………………
51. 51. Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 …………………………… 3.2 - 1.0 = 2.2 = Ionic 4.0 - 2.6• CF4 ………………………………
52. 52. Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 …………………………… 3.2 - 1.0 = 2.2 = Ionic 4.0 - 2.6• CF4 ……………………………… = 1.4
53. 53. Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 …………………………… 3.2 - 1.0 = 2.2 = Ionic 4.0 - 2.6• CF4 ……………………………… = 1.4 = Polar covalent