MOLECULE SHAPES

• WHAT ARE THE TWO TYPES OF ELECTRON PAIRS?

  bonding and lone
• WHAT ARE BONDING PAIRS?

  two shared electrons in a covalent bond
• WHAT ARE LONE PAIRS?

  two electrons in a pair not involved in bonding
• ANOTHER NAME FOR LONE PAIRS?

  non-bonding pairs
• WHAT WILL HAPPEN IN ELECTRON PAIRS?

  repel
• WHAT IS THE SHAPE OF ANY MOLECULE A CONSEQUENCE OF?

  number of electron pairs that repel each other as far as possible
• WHAT TYPE OF ELECTRON PAIR ARE MOST COMPACT?

  lone pairs
• WHAT TYPE OF ELECTRON PAIR REPEL THE MOST?

  lone pairs (more compact)
• REPULSION GRADIENT?

  LP to LP repulsion > LP to BP repulsion > BP to BP repulsion
• FIVE BASIC SHAPES OF MOLECULES?

  • linear
  • trigonal planar
  • tetrahedral
  • trigonal bipyramidal
  • octahedral
• NAME OF A MOLECULE WITH 2 BONDING PAIRS ONLY?

  linear
• NAME OF A MOLECULE WITH 3 BONDING PAIRS ONLY?

  trigonal planar
• NAME OF A MOLECULE WITH 4 BONDING PAIRS ONLY?

  tetrahedral
• NAME OF A MOLECULE WITH 6 BONDING PAIRS ONLY?

  octahedral
• BOND ANGLE OF A MOLECULE WITH 2 BONDING PAIRS ONLY?

  180 degrees
• NAME OF A MOLECULE WITH 5 BONDING PAIRS ONLY?

  trigonal bipyramidal
• BOND ANGLE OF A MOLECULE WITH 3 BONDING PAIRS ONLY?

  120 degrees
• BOND ANGLE OF A MOLECULE WITH 4 BONDING PAIRS ONLY?

  109.5 degrees
• BOND ANGLE OF A MOLECULE WITH 5 BONDING PAIRS ONLY?

  120 degrees, 90 degrees
• BOND ANGLE OF A MOLECULE WITH 6 BONDING PAIRS ONLY?

  90 degrees
• NAME OF A MOLECULE WITH 2 BONDING PAIRS AND 1 LONE PAIR?

  bent (V-shaped)
• BOND ANGLE OF A MOLECULE WITH 2 BONDING PAIRS AND 1 LONE PAIR?

  118 degrees
• NAME OF A MOLECULE WITH 3 BONDING PAIRS AND 1 LONE PAIR?

  trigonal pyramidal
• BOND ANGLE OF A MOLECULE WITH 3 BONDING PAIRS AND 1 LONE PAIR?

  107 degrees
• BOND ANGLE OF A MOLECULE WITH 2 BONDING PAIRS AND 2 LONE PAIRS?

  104.5 degrees
• NAME OF A MOLECULE WITH 2 BONDING PAIRS AND 2 LONE PAIRS?

  bent (V-shape)
• NAME OF A MOLECULE WITH 4 BONDING PAIRS AND 1 LONE PAIR?

  trigonal pyramidal (see-saw)
• BOND ANGLE OF A MOLECULE WITH 4 BONDING PAIRS AND 1 LONE PAIR?

  119 degrees, 89 degrees
• NAME OF A MOLECULE WITH 3 BONDING PAIRS AND 2 LONE PAIRS?

  trigonal planar (T-shape)
• BOND ANGLE OF A MOLECULE WITH 3 BONDING PAIRS AND 2 LONE PAIRS?

  120 degrees/ 89 degrees
• NAME OF A MOLECULE WITH 5 BONDING PAIRS AND 1 LONE PAIR?

  square pyramid
• BOND ANGLE OF A MOLECULE WITH 5 BONDING PAIRS AND 1 LONE PAIR?

  89 degrees
• NAME OF A MOLECULE WITH 4 BONDING PAIRS AND 2 LONE PAIRS?

  square planar
• BOND ANGLE OF A MOLECULE WITH 5 BONDING PAIRS AND 1 LONE PAIR?

  90 degrees