True or False 26. The bonds between atoms within a molecule are stronger 27. A h

Question

True or False 26. The bonds between atoms within a molecule are stronger 27. A hydrogen bond is a special kind of dispersion force that 28. In most cases, a substance has a greater density in its solid 29. Scientists have identified and described seven basic classes than the forces that exist between molecules. can occur only in a molecule containing hydrogen. than in its liquid state. of crystals, which expand to fourteen different lattice structures. 30. The meniscus on the surface of water in a test tube is the result of water's viscosity.

Explanation / Answer

26) True. This is because there is a true bond formation while intermolecular interactions are jsut attractive forces

27) False Hydrogen bonding is not a dispersion force but a force of attraction between a hydrogen atom and some electronegative atom like O

28) True. This is because in solids the molecules are packed tighter together which means that a smaller volume is occupied by a larger mass

29) True

30) False. meniscus is formed due to the forces of attraction. Water shows a concave meniscus because the molecules are attracted to the walls of the container

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