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Some Basic Concepts of Chemistry question

2007 · Q92
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Some Basic Concepts of Chemistry question

2007 · Q92

NEETChemistrySome Basic Concepts of ChemistryMCQ+4 / −1
An element, X has the following isotopic composition:
200X : 90%  199X : 8.0%  202X : 2.0%

The weighted average atomic mass of the naturally occuring element X is closest to
  1. A
    201 amu
  2. B
    202 amu
  3. C
    199 amu
  4. D
    200 amu
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