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Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus; The radiation so emitted; including gamma rays, alpha particles, neutrons, electrons, positrons, etc

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13y ago
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2mo ago

Radioactivity is the spontaneous emission of particles or radiation from the nucleus of an unstable atom in order to become more stable. This process can result in the release of alpha particles, beta particles, or gamma rays.

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Q: What is the definition for radioactivity?
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Related questions

Is this true radioactivity and radioactive decay are two distinct phenomena?

No, radioactivity and radioactive decay are closely related phenomena. Radioactivity refers to the process by which an unstable atomic nucleus emits radiation, while radioactive decay is the specific process by which an unstable nucleus transforms into a stable nucleus by emitting radiation.


What is the best definition of half life for a radioactive substance?

The time taken for the radioactivity to halve its intensity, starting from any arbitrarily chosen instant.


How does radioactivity affect the water cycle?

Radioactivity affect the water molecules. Radioactivity makes it harmful


Advantages of nuclear radioactivity?

What other sort of radioactivity is there?


Radioactivity can be what?

Radioactivity can be induced in ordinary matter by artificial transmutation.


Do you messure radioactivity in literes?

You cannot measure radioactivity in litres


How much radioactivity is in Japan?

Radioactivity in Japan is about 15,000 terabecquerels.


When did Marie curie build radioactivity?

no but she built the knowleage of radioactivity.


What do you need radioactivity for?

You need radioactivity, for many things such as x-rays.


Marie curie discovered radioactivity?

NO. Henri Becquerel was the discoverer of radioactivity.


Which elents cannot be diffused by radioactivity also?

Radioactivity has nothing to do with diffusion.


Is radioactivity extensive or intensive?

is radioactivity extensive or intensive or chemical property