Structure and Bonding (2) Flashcards
1
Q
Diamond and graphite both contain the same element. What is the name of this element?
A
Carbon
2
Q
Explain why graphite is very soft
A
As there are weak forces between the layers
3
Q
Explain why diamond is very hard
A
Diamond is a giant covalent structure with strong covalent bonds
4
Q
In graphene each atom bonds to _______ other atoms
A
3
5
Q
Explain, as fully as you can, why diamond is hard
A
As it is a giant structure with strong covalent bonds where each carbon atom forms four bonds
6
Q
What property of diamond makes it suitable for use on the cutting end of a drill bit?
A
It is hard
7
Q
Explain the meaning of electrolysis
A
Electric current which is passed through an ionic compound
