Specification

Specification https://qualifications.pearson.com/content/dam/pdf/International%20GCSE/Chemistry/2017/specification-and-sample-assessments...

Wednesday, April 18, 2018

1.49

explain why substances with giant covalent structures are solids with high melting and boiling points 

Substances with giants covalent structures have high melting and boiling points as they have more covalent bonds which need to be broken by large amounts of heat energy 

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