CAIE IGCSE Chemistry 2.4.5 Giant Lattice Structure of Ionic Questions
Recognise the repeating lattice of oppositely charged ions and distinguish it from other structures.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- describe an ionic compound as a giant lattice of oppositely charged ions
- identify ionic lattice structures from diagrams and descriptions
- distinguish ionic lattices from metallic and covalent structures
CAIE IGCSE Chemistry 2.4.5 Giant Lattice Structure of Ionic Questions question 1
[Maximum number: 1]
Which statements about potassium chloride are correct?
1 It conducts electricity when solid because its ions are free to move.
2 It has a high melting point because it has strong intermolecular forces.
3 Its structure is a giant lattice of alternating positive and negative ions.
4 It is soluble in water.
A
1 and 2
B
1 and 4
C
2 and 3
D
3 and 4
D
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