The Neutral $\begin{array} { l } 27 \\13\end{array}$ Al Atom Has a Mass of 26

question 161

Multiple Choice

The neutral $\begin{array} { l } 27 \\13\end{array}$ Al atom has a mass of 26.981539 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u. What is the binding energy per nucleon for $\begin{array} { l } 27 \\13\end{array}$ Al? (1 u = 931.5 MeV/c²)

• A)8.3 MeV
• B)6.7 MeV
• C)5.4 MeV
• D)3.4 MeV
• E)2.8 MeV

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