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Radioactivity occurs in atoms with unstable nuclei, resulting in pieces breaking off, changing the atom into a different one and releasing radiation. Radiation can also be released when an atom is "smashed", having some form of radiation hit it, which breaks the atom and releases more radiation. This is how nuclear bombs and power plants work.
Wiki User
∙ 13y ago
Wiki User
∙ 15y agoI LOVE this question! Why does that radioactive ray-particle-thingy decide to jump out RIGHT NOW instead of a million years ago or a million years from now? Is there some internal structure or clockwork that decides this? The anwer to this question was one of the key concepts that gave rise to Quantum Mechanics. The answer is: It's statistics. That's all. Einstein did not like this idea and spent the rest of his life puzzling over it, but it seems to be so.
Wiki User
∙ 6y agoWhen the individual atoms decay, converting into some other type of atom (nuclide).
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How do you use radioactive as an adjective in a sentence?
You can just put something in the sentence that is going to be radioactive that's all.
What does it mean for something to be radioactive?
its nuclei can split apart
Is the uranium in obsidian harmful to humans?
yes, most uranium is considered toxic and radioactive
Can anybody define radioactive?
It means something that comes from nuclear stuff im pretty sure...
What is the name for the emission of rays and particles by a radioactive material?
The name for the emissions of rays and particles by a radioactive material are called radioactive decay. There are many different types of radioactive decay that emit different rays and particles.
What are isotopes considered radioactive?
Not all isotopes are radioactive; the radioactive isotopes are unstable and emit radiations.
What is a colourless radioactive gas considered to be a health hazard?
Radon is a colorless radioactive gas considered to be a health hazard.
Why is uranium considered radioactive?
Uranium is considered a radioactive chemical element because uranium (all the isotopes) is unstable and emit nuclear radiations.
Lead is considered as which pollutant?
Radioactive pollutants
Were can you find a radioactive spider?
There are no radioactive spiders. This is something from a movie, and has never happened. There is no way to find images of radioactive spiders.
How do you use radioactive as an adjective in a sentence?
You can just put something in the sentence that is going to be radioactive that's all.
Why only radioactive element give out radiation?
It's a semantic thing - by definition, if something gives out radiation, then it is radioactive. If an element gives off radiation, then it is a 'radioactive' element. If it does not give out radiation, then it is not 'radioactive'.
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 rabbit feces radioactive?
No. There is no reason why rabbit feces should be radioactive, unless of course they ate something radioactive or they are under medical care using radioactive isotopes. It might be possible that if the soil is radioactive, and the plants become radioactive, that a rabbit might excrete radioactive feces from eating the plants.
What does it mean for something to be radioactive?
its nuclei can split apart
If something is radioactive is it toxic?
Yes some things that are radioactive are toxic. Being able to harm an exposed organism.
Which radioactive element is considered under indoor pollutants category?
Radon
