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An element that has an unstable nucleus and therefore emits alpha, beta and/or gamma radiation.

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15y ago

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Related Questions

What does it mean if an element is radioacitive?

If an element is radioactive, it refers to the stability of their atomic nucleus. If that atomic nucleus is not stable, it is considered radioactive.


Is the element sodium radioactive or non-radioactive?

non radioactive element


What does technetium and promethium are radioactive mean?

The meaning of radioactive is: an unstable element which emit radiations as alpha, beta, gamma etc.


What does it mean when you say an element is stable?

This element (more correct in this case is isotope) doesn't suffer a radioactive disintegration.


How do you use radioactive element in a sentence?

A radioactive element is one that discharges radiation. Uranium is a radioactive element. A radioactive element is very dangerous if you don't have protective clothing. You should never go near a radioactive element.


Is radium more powerful then a radioactive element?

Your question is meaningless. Radium IS a radioactive element, and its power depends on the context. If you mean "is there an element more radioactive than radium" then yes, there are many, e.g. astatine.


What characterizes a radioactive element?

A radioactive element is characterized by having unstable atomic nuclei that decay and emit radiation in the form of alpha particles, beta particles, or gamma rays. This decay process results in the transformation of the element into a different element or isotope.


What is the breakdown of a radioactive isotope of the same element or of another element?

radioactive decay


What element is a radioactive element?

The radioactive element is composed of unstable nuclei that try to reach stability through emitting nuclear radiations as alpha, beta, and gamma nuclear radiations.


What is the best known radioactive element?

Probably uranium is the best known radioactive element.


What does it mean if an element it radioactive?

this is because an element is sometimes never radioactive but one may be made just to be radioactive this is because an element is sometimes never radioactive but one may be made just to be radioactive


Is uranium a radioactive?

Yes, uranium is a radioactive element.