Pentseptseptium (Pss)

Pentseptseptium is the systematic name of the theoretical 577-ші element in the periodic table with a symbol of Pss and atomic number of 577. Pentseptseptium, also known as element 577, has бес жүз жетпіс жеті protons in its nucleus, and бес жүз жетпіс жеті electrons in its shells.