9th Class Science Atoms and Molecules Question Bank 9th CBSE Science Atoms and Molecules

  • question_answer
      Classify each of the following on the basis of their atomicity. (a)                                     (b) (c)                               (d) (e)                                  (f) (g)                               (h) (i)                                                 (j) (k)                                   (l)   

    Answer:

                      (a) 2                                       (b)3                 (c)4                                        (d) 8 (e)2                                        (f) 4                 (g)14                                      (h) 3 (i)2                                         (j)5 (k) 1 (Noble gases do not combine and exist as monoatomic gases) (i) Polyatomic: It is difficult to talk about the atomicity of metals as any measurable quantity will contain millions of atoms bound by metallic bond.


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