The unique optomap ultra-widefield view helps your eye care practitioner detect early signs of retinal disease more effectively and efficiently than with traditional eye exams. Early detection means successful treatments can be administered and reduces the risk to your sight and health.
An electron dot diagram is a method of writing the chemical symbol of an element by surrounding it with dots to indicate the number of valence electrons. Valence electrons are found in an atom's outer shell and are the ones involved in chemical reactions.
Lewis Dot Structure for Compounds. Lewis dot structures, as you have learned, are a way to diagram an element and easily show its valence electrons. A Lewis dot structure is a diagram that shows the valence electrons in an element. In a Lewis dot structure, the nucleus of the element is represented by its symbol.