If a radioactive nucleus alpha decays to yield a sodium24 nucleus in 14.8 hours, what was the identity of the original nucleus? Nuclear equation?

1 answer

zXw ==> 11Na24 + 2He4
z = 11 + 2 = ? (13 and that is Al)
w = 24 + 4 = ?
So the equation is
13Al28 ==> 11Na24 + 2He4