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Properties Of Small Molecules (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Properties Of Small Molecules' from the broader topic Bonding, Structure, And The Properties Of Matter. The test is geared towards the AQA exam board style syllabus.
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Why are small molecular solids generally poor conductors of electricity?
Why does water (H2O) have a higher boiling point than other comparable small molecules such as H2S?
Which property of small molecular solids explains why they are often soft and brittle?
Which of these best describes hydrogen bonding?
When two small molecules attract each other via a permanent dipole, what type of intermolecular force is acting?
Which small molecule is linear in shape?
Which property explains why solid sodium chloride conducts electricity when melted but not as a solid?
Which of these explains why carbon dioxide (CO2) is a gas at room temperature?
Why do some small molecules have sharp, low melting points but others (e.g., ice) have relatively high melting points?
Which change increases the strength of London (dispersion) forces between small non-polar molecules?
Which property would you expect for a simple molecular substance that is polar (e.g., HCl)?