graphite Flashcards
(6 cards)
1
Q
each carbon atom
A
joined to three other carbon atom by covalent bond
2
Q
they form
A
layers with a hexagonal arrangment of atoms
3
Q
layers have
A
weak forces between them so they can slide over eachother
4
Q
it has
A
one free electron which can move through graphite
5
Q
properties of graphite
A
good conductors of electricity
soft and slippery
soft and dark in colour
6
Q
use of it
A
good conductors of electricity- electrodes in batteries and for electrolysis
soft and slippery- lubricant in engines
soft and dark in colour- lead for pencil
