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spin2386.7M publicaciones. Descubre videos de relacionados con Que Hacer Si Me Banearon En Block Spin. Mira más videos sobre Qué Hacer SiUranium-238 (238 U or U-238) is the most common isotope of uranium found in nature, with a relative abundance of 99%. Unlike uranium-235, it is non-fissile, which means it cannot sustain a