Topic 7 - Types of Substance Flashcards
1
Q
Why can Graphite conduct electricity?
A
One electron from each Carbon atom in Graphite is delocalised
2
Q
Graphite is made from what shape rings?
A
Hexagonal
3
Q
Properties of graphite
A
- Soft
- Conducts electricity
4
Q
Which allotrope of Carbon consists of layers?
A
Graphite
5
Q
How many bonds does each carbon atom make in graphite ?
A
3
6
Q
How are atoms bonded in graphite?
A
Strong Covalent Bonds
7
Q
How many bonds does each carbon atom make in diamond?
A
4
8
Q
Why does diamond have a high melting point?
A
A lot of energy is requires to break it’s strong covalent bonds
9
Q
Name the three allotropes of Carbon
A
Graphite, Graphene, and Diamond
10
Q
Why can’t diamond conduct electricity?
A
There are no delocalised electrons within its structure
11
Q
Name some properties of Diamond
A
- Hard
- High melting point
- Cannot conduct electricity
