Octtrioctium (Oto)
Octtrioctium is the systematic name of the theoretical 838. element in the periodic table with a symbol of Oto and atomic number of 838. Octtrioctium, also known as element 838, has எண்நூறு முப்பது எட்டு protons in its nucleus, and எண்நூறு முப்பது எட்டு electrons in its shells.