Substance A melts at 55 ∘C55\ ^\circ\text{C}55 ∘C. Substance B melts at 1200 ∘C1200\ ^\circ\text{C}1200 ∘C. What does this tell you about the two substances?
The particles in B are much heavier than the particles in A
The forces between the particles in B are weaker than in A
The particles in B are much closer together than in A
The forces between the particles in B are stronger than in A
84 exam-style questions on AQA GCSE Chemistry 2.2 How bonding and structure are related to the properties of substances, covering 2.2.1a The three states of matter, 2.2.1b Limitations of the simple particle model, 2.2.2 State symbols in chemical equations, 2.2.3 Properties of ionic compounds, 2.2.4 Properties of small molecules, 2.2.5 Polymers, 2.2.6 Giant covalent structures, 2.2.7 Properties of metals and alloys, and 2.2.8 Metals as conductors. Each one has a worked solution and a mark scheme showing where the marks go.