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6. tetrahedral molecules, with no lone pairs, have a bond angle of
7. put these bond angles in order of increasing size
- lone pair- lone pair, bond pair- bond pair, bond pair- lone pair
- bond pair- bond pair, bond pair- lone pair, lone pair- lone pair
- bond pair- lone pair, lone pair- lone pair, bond pair- bond pair
8. Which one of the following is not the same shape as the others?
9. Boron trichloride, BCl3, is
- planar with a bond angle of 90°
- pyramidal with a bond angle of 107°
- planar with a bond angle of 120°
- pyramidal with a bond angle of 109½°