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6.1 covalent bonding
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6.1 covalent bonding

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6.1 covalent bonding 6.1 covalent bonding Presentation Transcript

  • 6.1
  • 0 - + +0.5 - 6.12.1 Covalent>3.3 Bonding
  • Covalent bonding
  • Covalent bonding• Different from ionic.
  • Covalent bonding• Different from ionic.
  • Covalent bonding• Different from ionic.• Ionic is transferring electrons
  • Covalent bonding• Different from ionic.• Ionic is transferring electrons
  • Covalent bonding• Different from ionic.• Ionic is transferring electrons• Covalent is SHARING ELECTRONS.
  • Hydrogen gas
  • Hydrogen gas• Example of sharing, but what happens?
  • Hydrogen gas• Example of sharing, but what happens? - + + -
  • Hydrogen gas• Example of sharing, but what happens? - + + -
  • Hydrogen gas• Example of sharing, but what happens? - + + -
  • Hydrogen gas• Example of sharing, but what happens? - + + -
  • Hydrogen gas• Example of sharing, but what happens? - + + - repulsions
  • Hydrogen gas• Example of sharing, but what happens? - + + - repulsions
  • Hydrogen gas• Example of sharing, but what happens? - + + - repulsions attractions
  • Hydrogen gas• Example of sharing, but what happens? - + + - repulsions attractions
  • Hydrogen gas• Example of sharing, but what happens? - + + - They SHARE the e-, repulsions creating a attractions molecular orbital.
  • Electronegativity and bonding
  • Electronegativity and bonding• Electronegativity: The ability of an atom to attract e-. – This causes some atoms to “share” electrons unequally.
  • 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.
  • 3 types of bonds
  • Electronegativity differences 3 types of bonds
  • Electronegativity differences 3 types of bonds
  • Electronegativity differences 3 types of bonds 0 0.5
  • Electronegativity differences 3 types of bonds 0 0.5
  • Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5
  • Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 2.1
  • Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 δ+ δ- 2.1
  • Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 δ+ δ- polar covalent 2.1
  • Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 δ+ δ- polar covalent 2.1>3.3
  • Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 δ+ δ- polar covalent 2.1 + ->3.3
  • Electronegativity differences 3 types of bonds 0 Nonpolar covalent 0.5 δ+ δ- polar covalent 2.1 + - ionic>3.3
  • Determine the type of bond.
  • Determine the type of bond.• NO2 ………………………………
  • Determine the type of bond.• NO2 ………………………………
  • Determine the type of bond.• NO2 ………………………………
  • Determine the type of bond.• NO2 ………………………………
  • Determine the type of bond.• NO2 ………………………………• CaCl2 ……………………………
  • Determine the type of bond.• NO2 ………………………………• CaCl2 ……………………………
  • Determine the type of bond.• NO2 ………………………………• CaCl2 ……………………………
  • Determine the type of bond.• NO2 ………………………………• CaCl2 ……………………………
  • Determine the type of bond.• NO2 ………………………………• CaCl2 ……………………………• CF4 ………………………………
  • Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0• CaCl2 ……………………………• CF4 ………………………………
  • Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40• CaCl2 ……………………………• CF4 ………………………………
  • Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 ……………………………• CF4 ………………………………
  • Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 …………………………… 3.2 - 1.0• CF4 ………………………………
  • Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 …………………………… 3.2 - 1.0 = 2.2• CF4 ………………………………
  • Determine the type of bond.• NO2 ……………………………… 3.4 - 3.0 = 0.40 = Nonpolar covalent• CaCl2 …………………………… 3.2 - 1.0 = 2.2 = Ionic• CF4 ………………………………
  • 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 ………………………………
  • 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
  • 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