Ennunpentium (Eup)

Ennunpentium is the systematic name of the theoretical 915. element in the periodic table with a symbol of Eup and atomic number of 915. Ennunpentium, also known as element 915, has девятьсот пятнадцать protons in its nucleus, and девятьсот пятнадцать electrons in its shells.