Write the complete decay equation for the given nuclide in the complete ${?}_Z^A{x}_N$ notation. Refer to the periodic table for values of $Z.$

$($a$)$ Write the complete a decay equation for ${?}^{247}Bk.$

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An atomic number is missing from your answer or could not be identified.

$($b$)$ Find the energy released $($in MeV $)$ in the decay. $($Assume $1u=931\mathrm{.}5Me\frac{V}{c^2}.)$

MeV