Periodic Table: Element 121st
Unbiúnium
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One hundred and twenty-first element of the Periodic Table
April 10, 2019 · Unbiunium, also known as eka-actinium or element 121, is the hypothetical chemical element with the symbol Ubu and the atomic number 121.
All elements heavier than uranium are being researched and synthesized in laboratories around the world. Searches are seeking by elements
more stable and that last longer. Thus, any theoretical information about them will be tested and confirmed at these laboratories, and any official confirmation will be welcomed and posted on the site with due acknowledgment. Thank you.
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