For the Imaginary Element Abdicinium (Ab),two Isotopes Exist

question 39

Multiple Choice

For the imaginary element abdicinium (Ab) ,two isotopes exist.Isotope one has a mass of 40.005 amu with a relative abundance of 14.00%.Isotope two has a mass of 41.008 amu with a relative abundance of 86.00%.What is the atomic mass of the element?

• A)40.99 amu
• B)40.87 amu
• C)40.61 amu
• D)40.21 amu
• E)40.05 amu

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