Pentnilhexium (Pnh)

Pentnilhexium is the systematic name of the theoretical thứ 506 element in the periodic table with a symbol of Pnh and atomic number of 506. Pentnilhexium, also known as element 506, has năm trăm lẻ sáu protons in its nucleus, and năm trăm lẻ sáu electrons in its shells.