In an electron dot diagram the letter symbol for an element is used to represent

The symbol in an Electron Dot Diagram is used to represent the nucleus and all the non-valence electrons, The Electron Dot Diagram is also known as the Lewis Dot Symbol. The Lewis Dot Symbol or Electron Dot Diagram, is a symbol of an element with one or more dots representing the valence electrons of an element. It was suggested by Gilbert N. Lewis.