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How is atomic mass calculated for elements on the periodic table.

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quasarJose

Explanation:

The atomic mass of elements on the periodic table are derived from the proportion of the geonormal abundance of the different isotopes of an element.

  • Using a mass spectrometer, the proportion/percentage/fraction by which each of the isotopes of an element occurs in nature is determined.
  • This proportion is the geonormal abundance.
  • From this the atomic mass of the element can be derived.
  • Simply multiply the mass by the abundance and sum the values for the same isotopes together.

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