Allotropes Flashcards
1
Q
what is an allotrope
A
a dif physical form of the same element (Carbon mainly)
2
Q
explain diamond
A
carbon atoms covalently bonded together in a 3D network
3
Q
what are the 3 properties of diamond
A
non conductors
hard
very high boil point
4
Q
explain graphite
A
2D sheets of carbon atoms stacked on each other with weak IMF between each layer and one delocalised electrons per carbon which can move freely between layers
5
Q
explain the 3 properties of graphite (exception of covalent networks)
A
conductors of heat and electricty
semi soft
high melt boil point
6
Q
explain buckyballs
A
cage like soccuer ball structures with 60 carbon atoms covalently bonded with few IMF
7
Q
what are the 2 properties of buckyballs
A
conduct electricty and heat in pure form
