Question

explain radioactivity ❤?​

Answer 1

Answer:

As its name implies, radioactivity is the act of emitting radiation spontaneously. This is done by an atomic nucleus that, for some reason, is unstable; it "wants" to give up some energy in order to shift to a more stable configuration.

Answer 2

Answer:

Radioactivity is the spontaneous emission of radiation in the form of particles or high energy photons resulting from a nuclear reaction. It is also known as radioactive decay, nuclear decay, nuclear disintegration, or radioactive disintegration. While there are many forms of electromagnetic radiation, they are not always produced by radioactivity. For example, a light bulb may emit radiation in the forms of heat and light, yet it is not radioactive. A substance that contains unstable atomic nuclei is considered to be radioactive.

Radioactive decay is a random or stochastic process that occurs at the level of individual atoms. While it is impossible to predict exactly when a single unstable nucleus will decay, the rate of decay of a group of atoms may be predicted based on decay constants or half-lives. A half-life is the time required for half of the sample of matter to undergo radioactive decay.

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