Structure 2.3: The Metallic Model
Understanding the "Sea of Electrons" and how distinct bonding leads to unique properties.
2.3.1 Nature of Metallic Bonding
The electrostatic attraction between cations and delocalized electrons. Explaining conductivity and malleability.
2.3.2 Bond Strength Trends
Predicting melting points based on ionic radius and charge density. Comparing Group 1 and Period 3.
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2.3.3 Transition Metals
Enhanced bonding via 3d electrons. Why transition metals have high melting points and conductivity.