Ennennunium (Eeu)

Ennennunium is the systematic name of the theoretical 991'инчи element in the periodic table with a symbol of Eeu and atomic number of 991. Ennennunium, also known as element 991, has тогуз жүз токсон бир protons in its nucleus, and тогуз жүз токсон бир electrons in its shells.