A non-metal A is an important constituent of our food and forms two oxides B and C


#1

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.
(i) Identify A, B and C.
(ii) To which group of periodic table does A belong?


#2

(i) A — Carbon ©; B - Carbon monoxide (CO); C — Carbon dioxide (C02).
(ii) Carbon (or A) has atomic number 6. Its electronic configuration is 2,4. It is present in 14th group of the periodic table.