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Kuvat 4

A strongly radioactive and highly fissile transuranic chemical element (symbol Cf) with an atomic number of 98.

A disc of californium metal (249Cf, 10 mg). The source implies that the disc has a diameter about twice the thickness of a typical pin, or on the order of 1 mm.

A strongly radioactive and highly fissile transuranic chemical element (symbol Cf) with an atomic number of 98.

Scheme of the production of californium-252 from uranium-238 by neutron irradiation