OCR A Level Chemistry A
OCR A Level Chemistry A Electrons, Bonding and Structure Exam Questions
Free OCR A Level Chemistry A exam questions on Electrons, Bonding and Structure, with mark schemes. Covers electron configuration, ionic, covalent and metallic bonding, shapes of molecules and intermolecular forces.
Electrons, Bonding and Structure exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
StemUp mark scheme flashcards
OCR A Level Chemistry A H432 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About OCR A Level Chemistry A Electrons, Bonding and Structure
This topic covers bonding and structure.
What you need to know
- Electron configuration Shells, sub-shells and orbitals.
- Bonding Ionic, covalent, dative and metallic.
- Shapes VSEPR theory and bond angles.
- Intermolecular forces London forces, permanent dipoles and hydrogen bonding.
Common mistakes in Electrons, Bonding and Structure
- Forgetting lone pairs repel more.
- Saying ionic compounds conduct when solid.
- Mixing electronegativity and polarity.
Try three Electrons, Bonding and Structure exam-style questions
1. Give the shape and bond angle of NH₃. (2 marks)
Show the mark scheme answer
Pyramidal (1), 107° (1).
2. Explain why water has a high boiling point. (2 marks)
Show the mark scheme answer
Hydrogen bonds between molecules (1) need a lot of energy to break (1).
3. Write the electron configuration of Fe. (1 mark)
Show the mark scheme answer
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁶ 4s².
Electrons, Bonding and Structure FAQs
What does this topic cover?
Configurations, bonding, shapes and intermolecular forces.
What is electronegativity?
The ability of an atom to attract bonding electrons.
Why is CO₂ non-polar?
Its dipoles cancel because it is linear.
Revise this topic with flashcards: OCR A Level Chemistry A H432 Flashcards, with mark scheme answers for Anki and Quizlet.
