Ennunpentium (Eup)
Ennunpentium is the systematic name of the theoretical 915ú element in the periodic table with a symbol of Eup and atomic number of 915. Ennunpentium, also known as element 915, has naoi gcéad a cúig déag protons in its nucleus, and naoi gcéad a cúig déag electrons in its shells.