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Ionizing radiation

Ionizing radiation is a type of particle radiation in which an individual particle (for example, a photon, electron, or helium nucleus) carries enough energy to ionize an atom or molecule (that is, to completely remove an electron from its orbit).

If the individual particles do not carry this amount of energy, it is essentially impossible for even a large flood of particles to cause ionization.

These ionizations, if enough occur, can be very destructive to living tissue.

Note: This article excerpts material from the Wikipedia article "Ionizing radiation", which is released under the GNU Free Documentation License.

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