The Stability of Sc with Respect to Alpha, β

question 37

Multiple Choice

The stability of Sc with respect to alpha, β+, and β- decay is to be determined. Do not consider the possibility of decay by electron capture. The following atomic masses are known:
He: 4.002603 u
K: 42.960717 u
Ca: 46.954543 u
Sc 46.952409 u
Ti: 46.951764 u
The
Sc nuclide is

• A) not subject to alpha, β+, or β- decay.
• B) subject to alpha decay only.
• C) subject to β+ decay only.
• D) subject to β- decay only.
• E) subject to β+ or β- decay, but not to alpha decay.

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