conductivity explained Flashcards
1
Q
what is electricity
A
a flow of charged particles
2
Q
metallic bonding
A
all metals conduct electricity
3
Q
why do metals conduct
A
delocalised electrons are free to move
4
Q
covalent substances
A
don’t conduct in any state
5
Q
why don’t covalent substances conduct
A
no charged particles free to move
6
Q
ionic bonding - solid state
A
never conduct electricity
7
Q
ionic substances- molten or in solution
A
do conduct
8
Q
why don’t solid ionic substance conduct
A
ions are not free to move
9
Q
why do ionic bonds in liquid or solution conduct
A
ions are free to move
10
Q
all nonmetals don’t conduct except
A
carbon in the form of graphite
