allotropes of carbon

Question 1

is a behavior exhibited by certain chemical elements: these elements can exist in two or more different forms, known as allotropes of that elemen

Answer 1

allotrophy

Question 2

crystal, each carbon atom is linked to four other carbon atoms by covalent bonds in a tetrahedral fashion.

Answer 2

diamond

Question 3

It is soft, black and slippery solid. It has a metallic luster.
It is also a good conductor of electricity and heat

Answer 3

graphite

Question 4

ontains layers of carbon atoms. In each layer, a
particular carbon atom is linked to three other carbon atoms in a trigonal planar arrangement with a bond angle of 120°

Answer 4

graphite

Question 5

fullerene were discovered by

Answer 5

Robert F. Curl Jr.
Harold W. Kroto
Richard E. Smalley.

Question 6

have closed structures like a football. A typical fullerene, named as buckminsterfullerene has 60 carbon atoms.

Answer 6

fullerenes

Question 7

is formed when a material containing carbon is burned without enough oxygen for it to burn complete

Answer 7

amorphous carbon

Question 8

are cylindrical structures composed of graphene sheets rolled into a tube

Answer 8

carbon nanotubes