Ennpentoctium (Epo)
Ennpentoctium is the systematic name of the theoretical 958. element in the periodic table with a symbol of Epo and atomic number of 958. Ennpentoctium, also known as element 958, has dziewięćset pięćdziesiąt osiem protons in its nucleus, and dziewięćset pięćdziesiąt osiem electrons in its shells.