nitrogéngá
Nitrogéngá is a theoretical chemical element with the symbol Ng and atomic number 121. It is predicted to be the first element in the superactinide series, which would begin the eighth period of the periodic table. As of current scientific understanding, nitrogéngá has not been synthesized or observed. Its existence and properties are extrapolated based on the principles of quantum mechanics and the periodic trends of known elements.
The predicted electronic configuration of nitrogéngá suggests that its outermost electrons would occupy the 5g orbitals.
The synthesis of superheavy elements like nitrogéngá is an extremely challenging endeavor, requiring specialized particle accelerators