Edexcel A-Level Chemistry AS 3.21 Metallic Bonding Is the Strong Electrostatic Attraction Between Metal Ions and the Delocalised Electrons Questions

Draw the central atom's bonding and lone pairs, select the minimum-repulsion geometry and adjust the ideal angle when lone pairs or multiple bonds change repulsion.

Exam points

Predict shape and bond angle from bonding-pair and lone-pair counts in unfamiliar species.
Justify geometry by arranging electron regions for minimum repulsion around the centre.
Adjust ideal bond angles for lone-pair or multiple-bond repulsion where supported.

[Maximum number: 1]

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 Edexcel A-Level Chemistry AS 3.21 Metallic Bonding Is the Strong Electrostatic Attraction Between Metal Ions and the Delocalised Electrons Questions question 1 — Edexcel A-Level Chemistry AS

Sodium, magnesium and aluminium are metals.

State what is meant by metallic bonding.

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Edexcel A-Level Chemistry AS 3.21 Metallic Bonding Is the Strong Electrostatic Attraction Between Metal Ions and the Delocalised Electrons Questions question 1