alyssamariee44 alyssamariee44

16-02-2021
Chemistry

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These are the isotopes of an element. Isotope one has a mass of 10.013 amu at 19.8% abundance. And Isotope two that has a mass of 11.009 amu at
80.296 abundance.

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ihlester ihlester

16-02-2021

Answer: Boron

Explanation:

Aw = (10.013*0.198 + 11.009*0.80296)/2 = ~11

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