When a nucleus emits a beta particle its atomic number?

When a nucleus emits a beta particle, its atomic number A) none of these B) remains constant, but its mass number changes. C) changes, but its mass number remains constant. D) changes, and so does its mass number. E) remains constant, and so does its mass number. read more

When an atom emits a beta particle, its atomic number increases by one. This is because one of the atom 's neutrons is released as an electron (negatively charged) and an antineutrino (no charge). The decay leaves the nucleus of that atom with an additional positively-charged proton. read more

A) remains constant, but its mass number charges B) remains constant, and so does its mass number C) changes, but its mass number remains constant D) changes, and so does its mass number read more