9th Class
Science
Structure of the Atom
Question Bank
9th CBSE Science Structure of the Atom
question_answer
Sulphur dioxide is a
colourless pungent smelling gas and is a major air pollutant,
(i) Write the electronic configuration of its constituent
elements 'sulphur and oxygen'.
(Given, )
(ii) Write the valencies of sulphur and oxygen.
(iii) Are sulphur and oxygen isotopes of same
element? Explain your answer.