Edexcel A-Level Chemistry AS 3.22 The Models in 3 20 And 3 21 To Interpret Simple Properties of Metals Topic Practice

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Question 1

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This question is about the bonding in the elements of Period 3 in the Periodic Table. The melting temperatures of the Period 3 elements are shown in the table.

Table for Question 1 — Edexcel A-Level Chemistry AS

Sodium, magnesium and aluminium are metals.

Melting temperature depends on the strength of metallic bonding.

Explain why the metallic bonding in magnesium is much stronger than that in sodium.

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