PrepWisePrepWiseChemistry
Bonding & StructureHigh Exam FrequencyAQA

Giant Covalent Structures

Revise Giant Covalent Structures in Bonding & Structure for GCSE Chemistry with 20 exam-style questions and 20 flashcards. This is a high-frequency exam topic, so students should expect to explain it clearly under timed conditions.

Study this topic

1

The Carbon Paradox

Introduction2

The Three Giant Covalent Structures You Must Know

Deep Dive3

Diamond vs Graphite — Structure Comparison

Diagram4

How It Works: Why Diamond is Hard but Graphite is Slippery

How It Works5

Key Definitions

Definitions6

Key Facts to Memorise

Key Facts7

Common Misconceptions

Misconceptions8

Memory Aids

Memory Aid9

Exam Focus

Exam Focus10

Exam Tips for Giant Covalent Structures

Exam Tips11

Topic Summary: Giant Covalent Structures

Summary

Sample Flashcards

What is graphene?
A single layer of graphite — extremely strong, conducts electricity
What are fullerenes?
Hollow carbon cages (like C₆₀) — used to deliver drugs in medicine

Sample Questions

Why do giant covalent structures have very high melting points?

  • A. They contain ionic bonds that are difficult to break
  • B. They contain weak forces between separate molecules
  • C. They contain delocalised electrons that require a lot of energy to remove
  • D. They contain many strong covalent bonds that require a lot of energy to break
1 markfoundation

Explain why graphite conducts electricity but diamond does not.

3 marksstandard

20

exam-style questions

20

revision flashcards

Ready to revise Giant Covalent Structures?

Get personalised daily study plans, adaptive quizzes, and spaced repetition flashcards.

Join Alpha

Previous topic

Simple Molecules

Next topic

Metallic Bonding