Oxygen exists as a simple molecular substance.
Why do simple molecular substances have low boiling points?
There are weak covalent bonds between the atoms.
There are weak intermolecular forces between the molecules.
There are weak intermolecular forces between the atoms.
There are weak ionic bonds between the molecules.
74 exam-style questions on OCR GCSE Chemistry Bonding. Each one has a worked solution and a mark scheme showing where the marks go.