Giant covalent structure Flashcards
1
Q
What are the properties if a GCS?
A
- Strong covalent bonds
- Very high melting and boiling points
- Don’t conduct electricity / except graphite
- Aren’t soluble in water
2
Q
What are diamonds made of?
A
A network of carbon atoms
3
Q
How many covalent bonds do diamonds have?
A
4
4
Q
What are the properties of diamonds?
A
- high melting and boiling points
- don’t conduct electricity
- used for cutting tools ( drills ) or jewellery
5
Q
What is graphite made of ?
A
Sheets of carbon hexagons
6
Q
What is graphite made of?
A
Sheets of carbon hexagons
7
Q
Do thy have ovalent bods sthrough out the layers?
A
No
8
Q
Do thy have covalent bonds throughout the layers?
A
No
9
Q
What happens to the layers?
A
They slide over each other because they have weak intermolecular forces
10
Q
What is Graphite used for?
A
Lubricants
11
Q
Does it have a high or low melting and boiling point?
A
HIGH
12
Q
Does it conduct electricity?
A
Yes
13
Q
What is Graphene?
A
1 layer of graphite
14
Q
True or False; Graphene is a type of fullerene
A
True
15
Q
What is graphene made up of?
A
A sheet of carbon atoms joined in a hexagon
