thoriumiga
Thoriumiga is a hypothetical element with the symbol Thg and atomic number 121. It is predicted to be the first element in the g-block of the periodic table, and as such, it would belong to the superactinide series. Theoretical calculations suggest that thoriumiga would be a highly unstable element with a very short half-life. Its properties are largely unknown due to its predicted extreme instability and the lack of experimental evidence for its synthesis.
The prediction of thoriumiga's existence stems from the theoretical extrapolation of periodic trends and nuclear physics
Due to its position in the predicted g-block, thoriumiga's electron configuration would involve the filling of