Ennoctseptium (Eos)

Ennoctseptium is the systematic name of the theoretical 987. element in the periodic table with a symbol of Eos and atomic number of 987. Ennoctseptium, also known as element 987, has kilenc­száz­nyolcvan­hét protons in its nucleus, and kilenc­száz­nyolcvan­hét electrons in its shells.