Transcription of 9.2 Network Covalent, Ionic, and Metallic Solids
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9.2 Network Covalent, Ionic, and Metallic Solids
Chemistry 1011 Slot Network covalent , ionic , andMetallic SolidsYOU ARE EXPECTED TO BE ABLE TO: Classify non-molecular Solids as eithernetwork covalent Solids , ionic Solids , ormetallic Solids . Relate the physical properties of non-molecular Solids to the forces holding 1011 Slot 52 Network covalent , ionic , andMetallic Solids Almost all substances that are gases orliquids at room temperature and pressure(25oC and 1 atm) are molecular There are three distinct types of non-molecular Solids Network covalent Solids ionic Solids Metallic solidsChemistry 1011 Slot 53 Other Materials There are also other materials with complexstructures, for example Polymers natural and manufactured Biological materials SemiconductorsChemistry 1011 Slot 54 Network covalent Solids High melting points To melt such a solid, covalent bonds must be broken Insoluble in all common solvents For solution to occur, covalent bonds must be broken Poor electrical conductors
9.2 Network Covalent, Ionic, and Metallic Solids YOU ARE EXPECTED TO BE ABLE TO: • Classify non-molecular solids as either network covalent solids, ionic solids, or metallic solids. • Relate the physical properties of non-molecular solids to the forces holding them together.
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