Pentbiunium (Pbu)

Pentbiunium is the systematic name of the theoretical 521. element in the periodic table with a symbol of Pbu and atomic number of 521. Pentbiunium, also known as element 521, has phisqa pachak iskay chunka huk-ni-yuq protons in its nucleus, and phisqa pachak iskay chunka huk-ni-yuq electrons in its shells.