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Occurrence of Carbon

a Define allo...

Question

(a) Define allotropy.
(b) Comment on the allotrope of carbon that looks like a football. What is it known as?

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Solution

(a) Allotropy is the phenomenon by which a single element is present in more than one physical form.

(b) Fullerenes are allotropes of carbon which consist of carbon atoms organised in the form of a repeated hexagonal and pentagonal shape. They create a pattern like a football.

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Q. Question 30
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous; non-sonorous; non-malleable and are coloured.
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