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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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14y ago

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

True and False. Radioactivity is a characteristic of unstable atomic nuclei, whereas radioactive decay is the process that a radioactive nucleus undergoes when it decays due to its instability.Argument for true: Radioactivity is the tendency to undergo radioactive decay.Argument for false: The two terms are unrelated because one is a characteristic and the other is a process, and, therefore, the question misunderstands the definition of the terms.You choose your definition. This writer prefers false.


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.


When did Marie curie build radioactivity?

no but she built the knowleage of radioactivity.


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.


Marie curie discovered radioactivity?

NO. Henri Becquerel was the discoverer of radioactivity.


What do you need radioactivity for?

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


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