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CAIE A-Level Chemistry AS 4.2.1 Describe in Simple Terms the Lattice Questions

Practise identifying and describing lattice structures and bonding in crystalline solids using CAIE 9701 AS questions and mark schemes.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • Describe and identify simple molecular, giant molecular, ionic and metallic lattice structures.

CAIE A-Level Chemistry AS 4.2.1 Describe in Simple Terms the Lattice Questions question 1

[Maximum number: 1]

In the structure of solid SiO2\mathrm{SiO}_{2}
> each silicon atom is bonded to x oxygen atoms each oxygen atom is bonded to y silicon atoms each bond is a z type bond.

What is the correct combination of x, y and z in these statements?

x

y

z

2

1

covalent

2

1

ionic

4

2

covalent

4

2

ionic

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