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 девятьсот восемьдесят семь protons in its nucleus, and девятьсот восемьдесят семь electrons in its shells.