Pentsepttrium (Pst)

Pentsepttrium is the systematic name of the theoretical 573ste element in the periodic table with a symbol of Pst and atomic number of 573. Pentsepttrium, also known as element 573, has vyfhonderd drie-en-sewentig protons in its nucleus, and vyfhonderd drie-en-sewentig electrons in its shells.