Which of the following is a non-metal that conducts electricity?
(a) Define non-metal . Give five examples of non-metals. (b) Name a non-metal which conducts electricity. (c) Name a non-metal having lustre (shining surface). (d) Name a non-metal which reacts with oxygen? Explain with an example. Give equation of the reaction involved. What is the nature of the product formed? How will you demonstrate it?
A non-metal which conducts electricity among the following is: