Bonding and physical properties (3.1.3.4) | AQA A-level Chemistry - (7405) | KnowledgeSet

Bonding and physical properties

Chemistry · A-Level · AQA · AQA A-level Chemistry - (7405) · Specification point · 3.1.3.4 · Physical chemistry · Bonding

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3.1.3.4 Bonding and physical properties

Content	Opportunities for skills development
$The four types of crystal structure: ionic metallic macromolecular (giant covalent) molecular. The structures of the following crystals as examples of these four types of crystal structure: diamond graphite ice iodine magnesium sodium chloride. Students should be able to: relate the melting point and conductivity of materials to the type of structure and the bonding present explain the energy changes associated with changes of state draw diagrams to represent these structures involving specified numbers of particles.$	$AT a, b, h and k PS 1.1 Students could be asked to find the type of structure of unknowns by experiment (eg to test solubility, conductivity and ease of melting).$

Content

Opportunities for skills development

The four types of crystal structure: ionic metallic macromolecular (giant covalent) molecular. The structures of the following crystals as examples of these four types of crystal structure: diamond graphite ice iodine magnesium sodium chloride. Students should be able to: relate the melting point and conductivity of materials to the type of structure and the bonding present explain the energy changes associated with changes of state draw diagrams to represent these structures involving specified numbers of particles.

AT a, b, h and k PS 1.1 Students could be asked to find the type of structure of unknowns by experiment (eg to test solubility, conductivity and ease of melting).