Memory Anchor:

• Super Challenge:

  Stretch:

  Challenge:

Key Questions:

1. Diamond, graphite and fullerenes are all examples of what type of structure?
   • Diamond, graphite and fullerenes are all examples of giant covalent structures
2. How many bonds can an individual atom of carbon form? How many bonds does each carbon form in an atom of a) Diamond b) Graphite
   • A single carbon atom can form a maximum of four possible bonds. a) In diamond each carbon atom is covalently bonded to 4 other carbon atoms. b) In graphite each carbon atom is covalently bonded to 3 other carbon atoms.
3. Molecules of diamond, graphite and fullerenes are all held together by what type of bonds?
   • Covalent bonds
4. Which giant covalent structures are made only from carbon?
   • Diamond and graphite (forms of carbon) and silicon dioxide (silica) are examples of giant covalent structures.
5. What was the first fullerene to be discovered and what is its shape?
   • The first fullerene to be discovered was Buckminsterfullerene (C60) which has a spherical shape.