At normal pressures carbon takes the form of graphite, in which each atom is bonded trigonally to three others in a plane composed of fused hexagonal rings, just like those in aromatic hydrocarbons.. 
Itumọ FIUtal ni pe gaasi nitrogen jẹ apakan pataki ti acid Inber, eyiti o ṣẹda lati inu Salt (pòayesi iyọ), lẹhinna mọ bi nitre.. 