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Nookie1986 [14]
3 years ago
8

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

hown.

Chemistry
2 answers:
lara [203]3 years ago
7 0

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.
topjm [15]3 years ago
5 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

IODINE has an atomic mass of 126.8 or 126.9

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