Spec 1CH0
Revise Edexcel GCSE Chemistry 2.5.2 Properties of ionic and simple molecular substances with the question bank, lessons, revision guides, and flashcards.
1.33 Explain the properties of ionic compounds, including their high melting and boiling points and their electrical conductivity when molten or in aqueous solution but not when solid. 1.34 Explain the properties of simple molecular compounds, including their low melting and boiling points in terms of weak intermolecular forces, and their poor electrical conductivity. Assessed at both Foundation and Higher tier.