A Certain Element Consists of Two Stable Isotopes

question 54

Multiple Choice

A certain element consists of two stable isotopes.The first has a mass of 14.0031 amu and a percent natural abundance of 99.63%.The second has a mass of 15.001 amu and a percent natural abundance of 0.37%.What is the atomic weight of the element?

• A) 13.95 amu
• B) 14.00 amu
• C) 14.01 amu
• D) 14.50 amu
• E) 19.50 amu

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Employee Characteristic

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