Question

Answer Q. Nos. 3(a)-3(d) on the basis of your understanding of the following
paragraph and the related studied concepts :
A non-metal A is an important constituent of our food and forms two oxidey B and
C. Oxide B is toxic whereas C causes global warming. An element E combines with
2 to form an oxide E 20 which is a good conductor of electricity. Answer the
Following questions :
3. (a) Identify A, B and C.
3. (b) To which group of periodic table does A belong?
3. (c) How many electrons will be present in the outermost shell of E?
3. (d) Write the formula of the compound formed when E combines with chlorine,
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Answer 1

Answer:

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