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 ?

4 views

1 Answers

(a) Element E: Carbon

(b) Allotrope A: Buckminsterfullerene

(c) Allotrope B: Graphite

(d) Allotrope C: Diamond

(e) C

(f) B

4 views