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Using the table above, find the average atomic mass of the element. Then, using the periodic table, determine which element is shown.

Using the table above find the average atomic mass of the element Then using the periodic table determine which element is shown class=

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Answer:

Chlorine

Explanation:

  • The abundance of chlorine-35 is 75% and the abundance of chlorine-37 is 25%.
  • Chlorine for example has two naturally occurring isotopes: Chlorine-35 and chlorine-37.
  • Chlorine's atomic mass is 35.453 u.

Average atomic mass:-

  • 34.969+36.966/2
  • 71.935/2
  • 35.967u

The element must be chlorine i e Cl

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