High because of strong electrostatic attraction between positive metal ion and sea of delocalised electrons.
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What affects the strength of bonding in metallic bonding
Number of delocalised electrons per atom. e.g Mg2+ has 2 e- and Na+ has 1 e-. Size of metal ion and lattice structure also affect melting point.
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Metallic bonding: ability to shape
Easily shaped (malleable) and ductile (can be drawn into a wire). Because there are no bonds holding specific ions together, the metal ions can slide over each other when the structure is pulled.
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Metallic bonding conductivity:
delocalised e- can pass KE to each other, making metals good thermal conductors. These e- can move as well, carrying a current.
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Solubility of metals
Metals are insolube except in liquid metals because of the strength of the metallic bonds.
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Card 2
Front
What affects the strength of bonding in metallic bonding
Back
Number of delocalised electrons per atom. e.g Mg2+ has 2 e- and Na+ has 1 e-. Size of metal ion and lattice structure also affect melting point.
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