C2 2.3 Giant Covalent Structures

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  • Giant Covalent Structures
    • Atoms of some elements can form several covalent bonds
      • These can join together in giant covalent structures
        • Sometimes called macromolecules
    • Joined together by strong covalent bonds
    • Needs an enormous amount of energy to break he lattice
      • Very high melting and boiling points
    • Diamond is a form of carbon that has a regular 3D giant structre
      • Every carbon atom is bonded to four others
      • Hard and transparent
    • Graphite is a form of carbon where each atom bonds to three others
      • It forms in giant, flat 2D layers
      • No covalent bonds between layers so they slide over each other


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