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ASChemistryAQARevision NotesPhysical ChemistryTypes of Bonding & PropertiesProperties of Covalent Substances

Properties of Covalent Substances (AQA AS Chemistry): Revision Note

Stewart Hird

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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

States of Matter Simple Molecular Lattice, downloadable AS & A Level Chemistry revision notes

Simple molecular lattices

States of Matter Giant Molecular Lattice, downloadable AS & A Level Chemistry revision notes

Giant molecular lattices

Examiner Tips and Tricks

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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    Stewart Hird

    Author: Stewart Hird

    Expertise: Chemistry Lead

    Stewart has been an enthusiastic GCSE, IGCSE, A Level and IB teacher for more than 30 years in the UK as well as overseas, and has also been an examiner for IB and A Level. As a long-standing Head of Science, Stewart brings a wealth of experience to creating Topic Questions and revision materials for Save My Exams. Stewart specialises in Chemistry, but has also taught Physics and Environmental Systems and Societies.