Septpentnilium (Spn)

Septpentnilium is the systematic name of the theoretical ที่ 750 element in the periodic table with a symbol of Spn and atomic number of 750. Septpentnilium, also known as element 750, has เจ็ด​ร้อย​ห้า​สิบ protons in its nucleus, and เจ็ด​ร้อย​ห้า​สิบ electrons in its shells.