Answer :
The statement that accurately describes the relationship between bond strength and the melting and boiling points of a substance is; "substances held together by ionic bonding have higher melting and boiling points than those held together by hydrogen bonding."
Intermolecular forces refers to forces of attraction that holds molecules together in a particular state of matter. The nature and magnitude of intermolecular forces impacts on the magnitude of the melting and boiling points of substances.
Substances held together by ionic bonding have higher melting and boiling points than those held together by hydrogen bonding. The bonds between ionic substances can only be broken at very high temperature.
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