Is the event of an element change the nuclei become the nuclei of other elements that occur spontaneously, accompanied by emission of radioactive rays. Elements which emit these rays are called radioactive.
Radioactive rays emitted have a nature
- Not visible to the eye
- Can discolor the film plate
- Having the ionization of the gas
- Diminish the objects layered Zn, S
- Damaging the body tissues
- The influence of magnetic fields or electrical break down into alpha rays, beta, and gamma.
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