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 üheksasada kaheksakümmend seitse protons in its nucleus, and üheksasada kaheksakümmend seitse electrons in its shells.