A radioactive element that emits an electron from the nucleus is said to undergo:

Question

Quizplus · Accepted Answer

Beta decay is the process in which a radioactive nucleus emits a beta particle, which is an electron or a positron. This results in the transformation of a neutron into a proton or vice versa, thus changing the atomic number of the nucleus. Alpha decay (A) involves the emission of an alpha particle (a helium nucleus) from the nucleus, gamma decay (C) involves the emission of gamma radiation, and electron capture (D) involves the capture of an electron by the nucleus.

A Radioactive Element That Emits an Electron from the Nucleus