Bonding

• Ionic bonding- occurs between a metal and non- metal
• Ionic bonding is the electrostatic attraction between oppositely charged ion
• Hydroxide ion- OH-
• Carbonate ion- CO3 2-
• Sulphate ion- SO4 2-
• Nitrate ion- NO3 -
• Ionic bonding- 2 words so metal and non metal
• Metallic bonding- metal only
• giant covalent- diamond, graphite, silicon dioxide
• Simple covalent : iodide, ice
• High melting point- String attraction between oppositely charged ions so, it requires lots of energy to break
• Structure- strong electrostatic attraction between oppositely charged ions in a lattice. so, it requires lots of energy to break it
• Diamond- it is a giant covalent molecule with many strong covalent bond between its atom. so it requires lots of energy to break
• Learn the shapes

  
• Bonding pairs- 2

  Bonding angle-180

  name- Linear
• Bonding pair-3

  name - Triangonal Planar

  Bonding angle-120
• Bonding Pair- 4

  name- tetrahedral

  bond angle-109.5
• Bonding pair- 5

  name-Triagonal bipyramidal

  bond angle- 90,120
• bonding pairs- 6

  name- octanedra- 90
• Coordinate bonding is where one atom donates 2 electrons to an atom or ion to form a bond
• Bond dipole moment is a measure of the strength and direction of the polarity in the bond. so the bigger the difference in electronegativity bigger the bond dipole moment
• Non polar covalent bond form when the two atoms in a covalent bond have the same electronegativity e.g cl2
• Polar covalent bond is when the two atoms in a covalent bond have a different electronegativity. so the two electrons are not shared equally