Pentseptseptium (Pss)

Pentseptseptium is the systematic name of the theoretical 577a element in the periodic table with a symbol of Pss and atomic number of 577. Pentseptseptium, also known as element 577, has cinci sute şaptezeci şi şapte protons in its nucleus, and cinci sute şaptezeci şi şapte electrons in its shells.