This type of carbyne is of considerable interest to nanotechnology as its Young's modulus is forty times that of the hardest known material - diamond.OccurrenceCarbon is the fourth most abundant chemical element in the universe by mass after hydrogen, helium, and oxygen.. 
F2 (fluorin) jẹ ẹ̀fúùfù pípọ́n brown rodontẹ́ńbẹ́lú tó undaramọra kíákíá, onímọ̀jẹlé.. 