NEET Chemistry · Medium

Some Basic Concepts of Chemistry: Isotopic abundance MCQ

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Isotopic abundanceMediumQuestion 20073

Question

Average atomic mass is best described as:

  1. A
    Weighted mean of isotopic masses
    Correct
  2. B
    Mass of most abundant isotope only
  3. C
    Mass number of the lightest isotope
  4. D
    Sum of atomic and neutron numbers

Correct answer

Weighted mean of isotopic masses

Explanation

Isotopic abundance determines the weighting.