CAIE IGCSE Chemistry Metallic Bonding Question Bank

Practise describing a metallic lattice and using attraction between positive ions and delocalised electrons to explain conductivity and melting point.

Exam points

describe a giant lattice of positive metal ions surrounded by delocalised electrons
define metallic bonding as electrostatic attraction between the ions and electron sea
link mobile electrons to conduction and strong attraction to a high melting point

Covered syllabus points

2.7.1—Metallic bonding as the electrostatic 2.7.2—Metallic properties from

[Maximum number: 5]

Iron is a transition element. Potassium is a Group I element.

(a)

Iron and potassium have the same type of bonding.

Name and describe the type of bonding in these two elements.
name
description

[ 4 ]

(b)

Transition elements and Group I elements have some similar physical properties.

They can both:
- be hammered into a shape
- conduct electricity
- be stretched into wires.

[ 1 ]

(i)

Describe what happens to the particles in iron when it is hammered into a shape.

[ 1 ]

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Covered syllabus points

2.7 Metallic bonding question 1

Question (a)

Question (b)

Question (i)