Ennoctseptium (Eos)
Ennoctseptium is the systematic name of the theoretical ٩٨٧. element in the periodic table with a symbol of Eos and atomic number of 987. Ennoctseptium, also known as element 987, has تسعة مائة وسبعة وثمانون protons in its nucleus, and تسعة مائة وسبعة وثمانون electrons in its shells.