Multiple choice

The newly discovered allotrope of carbon is

  1. fullerene

  2. carbon nanotubes

  3. carbon nanobuds

  4. graphite

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Carbon nanobuds are a newly discovered allotrope of carbon in which fullerene like buds are covalently attached to the outer sidewalls of the carbon nanotubes. This hybrid material has useful properties of both fullerenes and carbon nanotubes.