BOND POLARITY

• WHAT BOND IS POLAR IN A HALOGENOALKANE?

  C-X
• WHY DO HALOGENOALKANES HAVE BOND POLARITY?

  halogens are more electronegative than carbon (electronegative difference)
• IS CARBON SLIGHTLY NEGATIVE OR SLIGHTLY POSITIVE?

  slightly positive
• ARE HALOGENS SLIGHTLY NEGATIVE OR SLIGHTLY POSITIVE?

  slightly negative
• WHAT HAPPENS TO BOND POLARITIES AS YOU GO DOWN THE GROUP?

  bonds get less polar