Octpenttrium (Opt)

Octpenttrium is the systematic name of the theoretical 853. element in the periodic table with a symbol of Opt and atomic number of 853. Octpenttrium, also known as element 853, has átta­hundrað­og­fimmti­tríggir protons in its nucleus, and átta­hundrað­og­fimmti­tríggir electrons in its shells.