1
Q
Allotrope
A
Is the term used to describe different forms of the same element
2
Q
Diamond
A
4 covalent bonds Hard Does not conduct electricity 3D lattice High mp/bp Brittle Insoluble
3
Q
Covalent layer lattices
A
Consist of countless atoms held strongly together in planes by covalent bonds
4
Q
Graphite
A
3 covalent bonds one delocalised electron
Shiny, oily
Opaque
Conductor
Strong covalent bonds in 2D and the delocalised electron holds the layers together
5
Q
Buckyballs
A
3 covalent bonds one delocalised electron arranged in a sphere Solids at room temp Soft bu resistant to corrosion Low melting points Insoluble in water
6
Q
Graphene
A
3 covalent bonds one delocalised electron
1 layer, 2D
Conductor
Light
