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CAIE A-Level Chemistry AS 3.3 Metallic Bonding Questions

Practise relating a lattice of positive metal ions and delocalised electrons to metallic strength and properties.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • define metallic bonding as electrostatic attraction between positive metal ions and delocalised electrons
  • draw a regular lattice of cations surrounded by mobile delocalised electrons
  • compare strength using ionic charge, cation radius and number density of delocalised electrons

Covered syllabus points

3.3.1—Metallic bonding

Question 1

[Maximum number: 1]

Copper has a high melting point.
What is the reason for the high melting point of copper?

A

strong attractive forces between copper atoms only

B

strong attractive forces between copper ions and delocalised electrons

C

strong attractive forces between copper ions only

D

strong attractive forces between copper atoms and delocalised electrons

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