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9th Class Science Structure of the Atom Question Bank 9th CBSE Science Structure of the Atom

  • question_answer
      If bromine atom is available in the form of, say, two isotopes  (49.7%) and  (50.3%), calculate the average atomic mass of bromine atom.

    Answer:

                      We know that average atomic mass of an element                 Average atomic mass of bromine = 80 u


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