Chemistry / Chem 2550 · Atom · ~20 seconds
Twin: Ionizing Radiation
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Ionizing radiation carries enough energy to knock electrons out of molecules it strikes — alpha, beta, gamma rays, high-energy UV — damaging biomolecules.
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A gamma ray striking DNA can eject an electron and break a chemical bond.
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Ionizing radiation's danger comes from breaking bonds and ejecting electrons, not merely carrying energy — confusing it with its less hazardous twin is the error.