Bucky Balls, Graphite and Diamond

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  • Created on: 08-02-13 17:08
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1 Charlotte Cunningham ­ 10.7 Homework
Diamond
Molecular Structure
- A giant covalent structure known as a macromolecular structure
- Has no delocalised electrons
- Each carbon atom forms 4 single covalent bonds in a rigid giant covalent structure.
Properties
- A high melting point of approximately 3550 degrees Celsius
- Very strong carbon to carbon covalent bond
- A 3 dimensional covalent bond
- Does not conduct electricity as there are no free electrons which are free to carry
charge
- Insoluble as there are no possible attractions which could occur between the
solvent's molecules
- It is not a molecule because the number of atoms joined up in a real diamond
varies completely depending on the diamond
Physical Appearance
- Transparent crystal
- Second most stable form of carbon
- It is the only type of gemstone that is composed of a single element
- It has a high dispersion of light
- It is the hardest naturally occurring mineral that is currently
known
- It is 10 on the mohs scale of mineral hardness
Uses
- Cutting hard substances such as granite as its strong structure helps ensure the
blade (of diamonds) do not weaken as easily or break
[Diamond, Graphite and Bucky Balls] | Information pack 1

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Charlotte Cunningham ­ 10.7 Homework
- Grinding hard substances such as composite (manmade granite) as its strong
carbon to carbon covalent bonding helps keep the grinder strong
- Can polish and cut materials
- It can be used to make jewellery due to its transparent and beautiful aesthetic.…read more

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