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'
How many electrons does a diamond have? What is the definition of 'carbon' in chemistry? - Quora
What is the bond structure of graphite with carbon? - Quora
Is it possible to melt coals diamond, graphite, fullerenes, vitreous carbon, and other forms of carbon in normal conditions? - Quora
![](http://minerals.net/MineralImages/graphite-stony-point-ny.jpg)
Graphite: The mineral Graphite information and pictures
What are the differences between graphite, diamond, and silicon carbide? - Quora
If graphite and carbon are both made from pure carbon why do they look different? - Quora
![](https://upload.wikimedia.org/wikipedia/commons/4/4d/TiC-xtal-3D-vdW.png)
Carbide - Wikipedia
Do you make graphene out of carbon or from carbon atoms? - Quora
Why do diamonds contain carbon 14 if they're billions of years old? - Quora