6. the boiling point of an alkane is higher if
- it's a long, straight chain
- it's a short, branched chain
- it's a long, branched chain
- it's a short, branched chain
7. the bond angle (in degrees) between hydrogen bonds is
- 120
- 109.5
- 180
- 104.5
8. stronger london forces=
- higher boiling points
- the same boiling point
- lower boiling points
- lower melting points
9. intermolecular forces are _______ as/ than covalent, ionic or metallic bonds
- weaker
- stronger
- the same strength