The nucleus of unstable _____ of an element will decay leading to emission of radiation.
A)compounds
B)cations
C)anions
D)isotopes
E)molecules

Question

Quizplus · Accepted Answer

Isotopes are atoms of the same element with different numbers of neutrons in their nuclei. Unstable isotopes undergo radioactive decay, which involves the emission of particles and/or electromagnetic radiation from the nucleus in order to reach a more stable state.

The Nucleus of Unstable _____ of an Element Will Decay