A non-metal A is an important constituent of our food and forms two ox

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

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?

Answer»

(i) A - Carbon (C); B - Carbon monoxide (CO) C - Carbon dioxide (COr).

(ii) Carbon (or A) has atomic number 6. Its electronic configuration is 2,4. It is present in 14^th group of the periodic table.