How does an alpha particle emission change an atom? explain in one sentence

Alpha particle emission decreases the atomic mass by 4 and atomic number by 2, transforming the original atom into a different element.

An alpha particle emission reduces the atomic number of an atom by 2 and the mass number by 4, resulting in a new element.

An alpha particle emission changes an atom by reducing its atomic number by 2 and atomic mass by 4, transforming it into a different element.