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Giant covalent and metallic structures

Bonding, structure and materials · Lesson 3 of 5

Lesson 3 of 5

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Lesson 3 of 5 · Bonding, structure and materials

Giant covalent and metallic structures

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By the end you’ll be able to

describe giant covalent structures as networks of atoms joined by many strong covalent bonds
explain the properties of diamond, graphite, graphene and silicon dioxide in terms of their bonding and structure
compare diamond and graphite, including hardness, electrical conductivity and uses

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explain the typical properties of metals and alloys, including electrical and thermal conductivity, high melting point, strength and malleability, in terms of metallic bonding

apply bonding and structure ideas to explain why alloys are harder than pure metals and to predict properties of unfamiliar giant covalent or metallic substances

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