Allotropes

Question 1

What is an allotrope?

Answer 1

different forms of the same element in the same physical state but bonded differently

Question 2

What is a fullerene?

Answer 2

molecules of carbon atoms with hollow shapes

Question 3

Properties of fullerenes

Answer 3

have hollow shape including tubes, balls and cages
can be used to deliver drugs as hollow
can be used as lubricants

Question 4

What is graphene?

Answer 4

a single atom thick layer of graphite with strong covalent bonds between each atom

Question 5

Properties of graphene

Answer 5

atoms are arranged in hexagons
is very strong
good thermal and electrical conductor
nearly transparent

Question 6

What are polymers?

Answer 6

large molecules made up of repeating units called monomers

Question 7

Properties of polymers

Answer 7

the intermolecular forces between the large polymer molecules are strong
polymers are a solid at room temp
cheap and strong so used to make plastic bottles and bags