Question #983b0

1 Answer
Apr 28, 2017

Answer:

#""_83^214"Bi" →color(white)(l) _84^214"Po" + color(white)(l)_text(-1)^0"e"#

Explanation:

This is a beta decay reaction.

A proton in the nucleus changes into a proton and an electron.

The electron is ejected from the nucleus, but the mass number remains the same because the proton and the neutron have the same mass.