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Gnom [1K]
3 years ago
5

Calculate the average atomic mass of element X using the table below. Then use the periodic table to identify the element. Separ

ate your answers with a comma.

Chemistry
1 answer:
Ksenya-84 [330]3 years ago
4 0

Answer:

126.8, Iodine

Explanation:

  • mass ×abundance/100
  • (126.9045×80.45/100)+(126.0015×17.23/100)+(128.2230×2.23/100)
  • 102.1+21.7+3=126.8

<em>IODINE</em><em> </em><em>has</em><em> </em><em>an</em><em> </em><em>atomic</em><em> </em><em>mass</em><em> </em><em>of</em><em> </em>126.8 or 126.9

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