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Edexcel A-Level Chemistry AS 3.12 The Different Structures Formed By Giant Lattices of Carbon Atoms Questions

Count each atom's valence electrons, allocate shared and lone pairs, distinguish electron sources and check total charge and completed shells before finishing.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • Draw single, double or triple covalent bonds with correct outer-electron counts.
  • Show bonding pairs and lone pairs using consistent dot-and-cross symbols.
  • Represent coordinate bonds in ammonium ions or aluminium chloride species.

Edexcel A-Level Chemistry AS 3.12 The Different Structures Formed By Giant Lattices of Carbon Atoms Questions question 1

[Maximum number: 1]

The elements carbon and silicon both form dioxides.

The structure of silicon dioxide may be referred to as a diamond structure.

Figure for Question Edexcel A-Level Chemistry AS 3.12 The Different Structures Formed By Giant Lattices of Carbon Atoms Questions question 1 — Edexcel A-Level Chemistry AS

silicon
- oxygen

Using your knowledge of the structure of diamond, suggest how the structure of silicon dioxide is similar to that of diamond.

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