Hexhexhexium (Hhh)
Hexhexhexium is the systematic name of the theoretical 666वाँ element in the periodic table with a symbol of Hhh and atomic number of 666. Hexhexhexium, also known as element 666, has छह सौ छियासठ protons in its nucleus, and छह सौ छियासठ electrons in its shells.