In a radioactive decay, an emitted electron comes from

Options

A. Nucleus of the atom
B. Inner orbital of the atom
C. Outermost orbit of the atom
D. Orbit having principal quantum number one

Answer

A

Explanation

In nucleus electrons formed by the following decay.
`""_(0)n^(1) to ""_(+1)P^(1) + ""_(-1)e^(0)`