A Hypothetical Element Has Two Stable Isotopes: One Isotope Has

question 107

Multiple Choice

A hypothetical element has two stable isotopes: one isotope has a mass of 106.9051 amu with an abundance of 48.183%, the other isotope has a mass of 108.9048 amu with an abundance of 51.825%. What is the average atomic mass of this element?

• A)107.980 amu
• B)107.970 amu
• C)107.960 amu
• D)107.950 amu
• E)107.940 amu

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