Edexcel IGCSE Chemistry 1.45 covalent electrostatic attractions
Practise covalent-bond questions by using the shared-pair attraction wording and separating bonds from intermolecular forces.
- Syllabus
- First assessment 2019
- Course
- Chemistry 4CH1
Exam points
- Describe a covalent bond as attraction between a shared electron pair and two nuclei.
- Avoid confusing covalent-bond attraction inside molecules with forces between molecules.
1.45 Covalent electrostatic attractions question 1
[Maximum number: 2]
This question is about the covalent compounds hydrogen chloride and silicon dioxide.
Describe the forces of attraction in a covalent bond.
Either:
- attraction between nuclei
- and shared pairs of electrons
Or:
- attraction between shared pairs of electrons
- and nuclei
Reject:
- intermolecular forces for both marks
Marking guidance:
- Nucleus must be plural.
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