An element E exists in three allotropic forms A, B and C. In allotrope A, the atoms of element E are joined to form spherical molecules. In allotrope B, each atom of element E is surrounded by three other E atoms to form a sheet like structure. In allotrope C, each atom of element E is surrounded by four other E atoms to form a rigid structure.
(a) Name the element E.
(b) What is allotrope A.
(c) What is allotrope B?
(d) What is allotrope C?
(e) Which allotrope is used in making jewellery?
(f) Which allotrope is used in making anode of a dry cell?
Answers
Explanation:
(a) The element E is carbon which is available in three allotrophic forms.
b) Allotrope A is denoted as Buckminsterfullerene. Buckminsterfullerene is one among the type of fullerene with formula .
(c) Allotrope B is denoted as Graphite.Graphite is the only non-metal element that is a good conductor of electricity.
(d) Allotrope C is denoted as Diamond.Diamond is a solid form of the carbon in which the atoms which are arranged in a crystallic structure
(e) The allotrope C is used in jewel making industry.
(f) The allotrope B is used in forming anode(positively charged electrode) of a dry cell.
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