Answer:
(a)Non-metal A is carbon. Its two
oxides are carbon monoxide (CO) and carbon dioxide. From these, B is carbon
monoxide (CO) as it is toxic while C is carbon dioxide (),because
it is responsible for global warming.
(b) Electronic configuration of C is 2,
4 (atomic weight of C = 6). It is present in 14th group (10 + valence
electrons), i.e., IV A of the periodic table.
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