Ennoctseptium (Eos)

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