Diamond Tetrahedral Lattice of Carbon. Graphite Sheets or Layers of Rings of Carbon.

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Presentation transcript:

Diamond Tetrahedral Lattice of Carbon

Graphite Sheets or Layers of Rings of Carbon

DiamondGraphite

C 60 Buckminsterfullerene

Metallic Bonding (Bonding in Metals) We often refer to this as a “sea of electrons” as it helps explain the properties of metals such as conductivity and malleability.

What about Silicon? Metal or Non-Metal?

What about Silicon? Metal or Non-Metal? Tetrahedral arrangement of Si atoms; very strong; conductor when doped, what we know as a semi-conductor.

Silicon

What about Silicon Dioxide? Quartz (crystalline SiO 2 ) Sand (crushed crystalline SiO 2 )

Structure and Bonding in Silicon Dioxide

SiO 2 Amorphous and Everywhere

Silicon Dioxide: Not Just Glass and Sand