Q. 595.0( 3 Votes )
The number of carbon atoms joined in a spherical molecule of buckministerfullerence is: A. fifty
B. sixty
C. seventy
D. ninety
Answer :
Buckminsterfullerene is an allotrope of carbon that was discovered in 1985 containing clusters of 60 carbon atoms joined together to form spherical molecules.
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PREVIOUSThe number of isomers formed by the hydrocarbon with molecular formula C5H12 is:NEXTA solid element X has four electrons in the outermost shell of its atom. An allotrope Y of this element is used as a dry lubricant in machinery and also in making pencil leads.
(a) What is element X?
(b) Name the allotrope Y?
(c) State whether allotrope Y is a good conductor or non-conductor of electricity.
(d) Name one use of allotrope Y (other than lubrication and pencil leads)
(e) Name two other allotropes of element X.
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