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AQA GCSE Combined Science Trilogy · 8464
Describe substances consisting of enormous giant covalent structures strictly as highly robust solids characterized by exceptionally high melting points.
Understand that absolutely all of the individual atoms situated in these massive structures are directly linked to countless other atoms exclusively by very strong covalent bonds.
Explain that these numerous powerful bonds must be fully overcome with massive thermal energy to successfully melt or boil these extremely durable substances.
Identify standard diamond, graphite (both primary forms of carbon), and solid silicon dioxide (silica) as archetypal examples of massive giant covalent structures.
Recognise various giant covalent structures efficiently from scientific diagrams detailing their complex internal bonding matrix and physical architecture.