553224
Descripción
Fichas por alex.examtime9373, actualizado hace más de 1 año
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Creado por alex.examtime9373
hace casi 11 años
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| Pregunta | Respuesta |
| Radioactivity | Spontaneous emission of radiation due to the natural disintegration of an unstable nucleus |
| Radiation | Emission of particles of matter or photons of energy |
| Types of radiation | Alpha, beta, gamma |
| Deflection of radiation in electric fields | Alpha - positively charged; Beta - negatively charged; Gamma - no charge |
| Deflection of radiation in magnetic fields | Alpha and beta radiation travel in a circular direction |
| Ionisation | Neutral atom or molecule acquires a negative or positive charge by gaining or losing electrons |
| Penetration | Distance the radiation travels through a medium |
| Radioisotope | Unstable isotope of an element that disintegrates spontaneously, emitting radiation |
| Uses of radioisotopes | Medicine, food irradiation, agriculture, carbon dating, smoke detectors |
| Detection of nuclear radiation | Geiger Muller tube; Solid state detector |
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