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Learning objective

Explain that covalent bonds inside molecules are not broken during melting or boiling.

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Topic

How bonding and structure are related to the properties of substances

Subtopic

Properties of small molecules

Aqa Gcse ChemistryBonding, structure, and the properties of matter

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Quick explanation

Explain that covalent bonds inside molecules are not broken during melting or boiling

  • This point belongs to How bonding and structure are related to the properties of substances, especially Properties of small molecules.
  • You need to be able to explain that covalent bonds inside molecules are not broken during melting or boiling.
  • The key ideas to know are covalent bond.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

covalent bond

Why it matters

This objective helps connect Properties of small molecules to exam-style questions, flashcards, and revision notes for How bonding and structure are related to the properties of substances.

Quick student answer

How do you explain covalent bonds inside molecules are not broken during melting or boiling?

Direct answer

In Chemistry, this page helps you answer questions about covalent bonds inside molecules are not broken during melting or boiling within How bonding and structure are related to the properties of substances. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are covalent bond and melting or boiling.

Key terms

  • covalent bond: In Properties of small molecules, covalent bond means a strong bond formed when two atoms share electron pairs. This matters in How bonding and structure are related to the properties of substances because it supports the learning objective to explain that covalent bonds inside molecules are not broken during melting or boiling. Use covalent bond only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.
  • melting or boiling: Processes where a substance changes state from solid to liquid or liquid to gas, respectively, without breaking covalent bonds.

Common trap

Covalent Bonds Misunderstanding: Students should understand that during melting or boiling, it is the weak intermolecular forces that are overcome, not the covalent bonds within the molecules.

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