Graphite is present in pencil leads. it is composed of carbon atoms covalently bonded with each other, and 1 free valence electron in each atom (which explains why graphite/pencil-lead conducts electricity)
Carbon, in the form of graphite.
There is no lead in pencil - Pencil is made from graphite
The formula for pencil lead is c3,h2o
pencil . The 'lead' in a pencil is actually graphite.
pencil is use in chromography because the pencil is made from lead
The lead in a pencil is actually graphite, a form of carbon. Graphite is not poisonous.
lead pen because a lead pencil is a regular pencil.
Pencil lead does not have coal. Pencil lead contains graphite.
lead pencil is incorrect because it lead pencil
there is no lead in lead pencil.
There is no lead in pencil - Pencil is made from graphite
Pencil lead is a compound
Pencil lead isn't really lead, it is graphite, a form of carbon. Pencil lead doesn't have any lead in it whatsoever.
The formula for pencil lead is c3,h2o
we get lead of pencil from the mixture of clay and graphite
The lead pencil was invented on 1564.
Pencil lead is a conductor.
Pencil lead is made of graphite and clay. Newer recipes for pencil lead use waxy polymers to bind the graphite to produce a lead that does not snap when the pencil is flexed.