Chemistry: Allotopes
- Created by: sallylouisee
- Created on: 29-04-17 14:51
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- ALLOTOPES
- GRAPHITE
- weak forces between layers
- slippery
- used in lubricant and pencils
- carbon atoms bonded in hexagons
- conducts electricity because there is a free electron
- non metal
- NANOTUBES
- a graphite sheet rolled into a tube
- has only three bonds between every carbon
- conduct electricity because there are free electrons
- DIAMOND
- bonds extend through material
- 2 non metals sharing a bond makes four covalent bonds
- doesn't conduct electricity
- group 4 - no free electrons
- SILICON DIOXIDE
- high melting point
- does not conduct electricity because there are no free electrons
- not non-metal
- BUCKMINSTERFULLERINE
- strong and light
- hexagons and pentagons of carbons bonded together in a ball shape
- has three covalent bonds between the carbon - the chemical formula C60
- can conduct electricity
- used for sports equipment like tennis rckets
- non-metal
- GRAPHITE
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