The Stability Of $\begin{array} { c } 11 \\6\end{array}$ C with Respect to Alpha, Beta-Plus and Beta-Minus Decay Is

question 114

Multiple Choice

The stability of $\begin{array} { c } 11 \\6\end{array}$ C with respect to alpha, beta-plus and beta-minus decay is to be determined. The following atomic masses are known: $\begin{array} { l } 4 \\2\end{array}$ He: 4.002603 u $\begin{array} { l } 7 \\4\end{array}$ Be: 7.016928 u $\begin{array} { c } 11 \\5\end{array}$ B: 11.009305 u $\begin{array} { c } 11 \\6\end{array}$ C: 11.011433 u $\begin{array} { c } 11 \\7\end{array}$ N: 11.026742 u The $\begin{array} { c } 11 \\6\end{array}$ C nucleus is

• A)not subject to alpha, beta-plus or beta-minus decay.
• B)subject to alpha decay only.
• C)subject to beta-plus decay only.
• D)subject to beta-minus decay only.
• E)subject to beta-plus or beta-minus decay, but not to alpha decay.

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