Is graphite made of pure carbon? - Quora

Answer (1 of 2): carbon has 3 common isotopes.. 6 proton/electron pairs… with 6, 7, or 8 neutrons in the nucleus as a buffer between positive charges… all natural populations of carbon have all 3 isotopes in greater or lesser amounts.. depending on the environment and the history of the area… it'

Will graphene ever run out on Earth? - Quora

Is graphite made of pure carbon? - Quora

Is graphite made of pure carbon? - Quora

Why is graphite an allotrope of carbon? - Quora

Can Graphene really change the world? - Quora

What is the relation between carbon and graphite? - Quora

Are diamonds organic since they are made of carbon? - Quora

What is the name of the property of graphite that makes an exceptional nonmetal? - Quora

What is the bond structure of graphite with carbon? - Quora