The statement that best describes a radioactive isotope is: An atom is unstable.
Radioactive isotopes have unstable nuclei that can decay over time, releasing radiation. This is in contrast to stable isotopes, which do not undergo such decay.
Which best describes a radioactive isotope?
An atom is unstable.
An atom is stable.
There is only one other isotope.
There are many isotopes.
1 answer
1 answer