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amerícium
Heslo amerícium Heslo anglicky Americium Vysvetľujúca pozn. v angl. A completely man-made radioactive actinide with atomic symbol Am, and atomic number 95. Its valence can range from +3 to +6. Because of its nonmagnetic ground state, it is an excellent superconductor. It is also used in bone mineral analysis and as a radiation source for radiotherapy. 
predmetové heslo
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