Ennoctseptium (Eos)

Ennoctseptium is the systematic name of the theoretical ۹۸۷. element in the periodic table with a symbol of Eos and atomic number of 987. Ennoctseptium, also known as element 987, has نهصد و هشتاد و هفت protons in its nucleus, and نهصد و هشتاد و هفت electrons in its shells.