Physical properties and bonding
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Physical Properties and Bonding PowerPoint PPT Presentation


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Physical Properties and Bonding. Giant Metallic. Variable hardness , malleable rather the brittle Variable melting and boiling points , dependent on number of valence electrons , normally high. Giant Metallic. Good electrical and thermal conductivity

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Physical Properties and Bonding

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Physical properties and bonding

PhysicalProperties and Bonding


Giant metallic

GiantMetallic

  • Variable hardness, malleableratherthebrittle

  • Variable melting and boilingpoints, dependentonnumber of valenceelectrons, normallyhigh


Giant metallic1

GiantMetallic

  • Goodelectrical and thermalconductivity

  • Insoluble, except in othermetals

  • Examples ?


Giant ionic

GiantIonic

  • Hard, butbrittle

  • Highmeltingpoints, normallyover 500°C

  • Conductwhenmoltenor in solution, butnot as solids

  • More soluble in waterthanothersolvents

  • Examples ?


Giant covalent

GiantCovalent

  • Examples ?

  • Veryhard, butbrittle

  • Veryhighmeltingpoints, over 1000°C

  • Do notconduct in anystate, except ?

  • Insoluble in allsolvents


Molecular covalent

Molecular Covalent

  • Usuallysoftand malleable (unless H-bonding)

  • Lowishmeltingpoints. Oftenliquidsor gases at stp

  • Do notconduct

  • More soluble in non-aqueoussolvents

  • Examples ?


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