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11th Class Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank 11th CBSE Chemistry Some Basic Concepts of Chemistry

  • question_answer
    An element has fractional atomic mass. What does it indicate?

    Answer:

                    It indicates that the element exists in the form of isotopes and its atomic mass is an average atomic mass.


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