Material A is made of separate small molecules. Material B is made of very long molecules, each containing thousands of atoms joined in a chain.
Compare the bonding within the molecules of the two materials and the forces between their molecules.
Explain any difference in the forces between the molecules.
122 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.