A Hypothetical Element,E,has Two Stable Isotopes

question 36

Multiple Choice

A hypothetical element,E,has two stable isotopes.
E-38 = 38.012 u 75.68%
E-46 = 45.981 u 24.32%
The element's atomic mass would be closest to which of the elements?

• A)K
• B)Ar
• C)Ca
• D)Sc
• E)Cl

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