09-11-2016
Physics

contestada

What is the amount of a certain isotope that occurs in a natural sample of an element?
Question 12 options:

percent atomic weight

percent abundance

average atomic mass

ion abundance

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durekhan123 durekhan123

31-07-2018

last answer better for question

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antaeviongucci antaeviongucci

08-11-2019

Answer:it’s the last answer

Explanation:

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