Sulphur dioxide (S02) is a colourless pungent smelling gas and is a major air pollutant.(a) Write the electronic configuration of its constituent elements 'sulphur and oxygen'.(b) Write valency of sulphur and oxygen.(c) Are sulphur and oxygen isotopes of same element ? Explain your answer.
(a) S(2,8,6), O(2,6)(b) Valency = 2(c) No, they are not isotopes as their atomic number is different.