Q. 504.4( 7 Votes )

A non-metal A is an important constituent of our food and forms two oxides B and C. Oxide B is toxic whereas C causes global warming.

(a) Identify A, B and C.

(b) To which Group of periodic table does A belong?

Answer :

(a) A is carbon (C) as it is an important constituent of our food , B is carbon monoxide (CO) as it is highly poisonous and toxic and C is carbon dioxide (CO2) as it is the main cause of global warming.

(b) A belongs to Group 14 of the periodic table. It has atomic number 6. Its electronic configuration is 2, 4.

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