Electron dot diagram

Electron dot diagram

1. Valence electrons

   • Electrons in the highest occupied energy level.
     • Responsible for chemical properties of elements.
   • Example: Nitrogen 1s2, 2s2, 2p3,2p3 the valence electrons are in the 2 in 2s2 and the 3p3. Therefore nitrogen has 5 valence electrons.
   • Valence electrons or an atom are shown as dots distributed around the element symbol

2. How do we show electrons in atoms

   • Through electron diagrams.