https://www.youtube.com/watch?v=iXxxtbSujFY&index=4&list=PLLnAFJxOjzZsFT3W9nRAjB9QCEwNmB0Yl
GRAPHITE
https://www.youtube.com/watch?v=lqEA0HmzFKQ
CARBON
https://www.youtube.com/watch?v=QuW4_bRHbUk
CARBON DIOXIDE
https://www.youtube.com/watch?v=trhXiCxvzu4
C-60- FULLERENE
https://www.youtube.com/watch?v=ljF5QhD5hnI
Comments