Radiation with energy low enough to retain electrons from an atom to create an electrically charged ion is called ionizing radiation.

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BlackTom AI · Accepted Answer

The statement asserts that radiation with energy low enough to retain electrons yet still create a positively charged ion is called ionizing radiation. This is a misconception about what ionizing radiation is. In reality, ionizing radiation is defined as radiation with enough energy to remove electrons from atoms, thereby creating positively charged ions (and sometimes free electrons) in the process.

If the radiation energy is too low to overcome the binding energy of electrons, it will not ionize atoms; instead, it may cause weaker interactions such as scattering or excitation without ionization. Therefore, describing such low-energy radiation as ionizing is incorrect.

To contrast, the correct concept would be: radiation capable of ionization must deliver sufficient energy to overcome electron binding energies, resulting in electron ejection and ion formation; radiation below that threshold does not produce ions and is considered nonionizing.

Given this understanding, the statement provided is false because it reverses the essential criterion for ionization.

SD_GEN_SFTY_BME_FYP_2024 LAB09: Radiation Safety (I) - Quiz

Radiation with energy low enough to retain electrons from an atom to create an electrically charged ion is called ionizing radiation.

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