AQA A Level Chemistry復習筆記1.4.8 Properties of Covalent Substances
Covalent Lattice Structures
Covalent lattices
- Covalent bonds?are bonds between nonmetals in which electrons are?shared?between the atoms
- Covalent compounds can be arranged in?simple molecular?or?giant molecular?lattices
- Simple molecular lattices: iodine, buckminsterfullerene (C60) and ice
- Giant molecular: silicon(IV) oxide, graphite and diamond
Simple molecular lattices
Giant molecular lattices
Exam Tip
Graphite, diamond and buckminsterfullerene are all?allotropes?of carbon; they are different?structural forms?of the same element (which is carbon).
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