Carbon in this modification is linear with sp orbital hybridization, and is a polymer with alternating single and triple bonds.. 
Léopold ṣẹdar Senghor (9 October 1906  20 December 2001) jẹ akọewi, oloselu ati Ajirọ aṣa ọmọ ilẹ Senegal to gori ipo gẹgẹ bi Aare akọkọ orilẹ-ede Senegal lati 1960 de 1980.. 