The fact that it has seven protons is what makes it nitrogen.
Other atoms are also named based on the number of protons they carry.
The rest of the carbon isotopes are only of laboratory interest.
Atomic Number: 6 Atomic Weight: 12.0107 Melting Point: 3823 K (3550°C or 6422°F) Boiling Point: 4098 K (3825°C or 6917°F) Density: 2.2670 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Non-metal Period Number: 2 Group Number: 14 Group Name: none What's in a name? Three naturally occurring allotropes of carbon are known to exist: amorphous, graphite and diamond.
Carbon is most commonly obtained from coal deposits, although it usually must be processed into a form suitable for commercial use.
History and Uses: Carbon, the sixth most abundant element in the universe, has been known since ancient times.
Oakley (1979) suggested its development meant an almost complete re-writing of the evolution and cultural emergence of the human species.