The Transuranium Elements
When Mendeleev formulated the periodic table in 1869, only 63 elements were known, whose disposition in the table clearly reflected their chemical properties, while leaving empty spaces to be filled by undiscovered elements. The researches of more than half a century revealed a further 25 elements.
KeywordsRadioactive Decay Radiative Capture Spontaneous Fission Fission Barrier Transuranium Element
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