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Energy Level 1 can hold: 2 electrons Energy Level 2 can hold: 8 electrons Energy Level 3 can hold: 8 electrons Energy Level 4 can hold: 18 clectrons Bohr Model Diagrams Use the information provided for each element to draw Bohr Model diagrams. Rather than drawing individual protons and neutrons, you may simply label how many of each there are in the nucleus (ex. Lewis-Dot Structures Identify the Number of Valance Electrons and Draw the Lewis Dot Structure Notes: Scientists use Lewis Dot Structures to show the valance electrons of an element as dots. Since bonding involves the valance shell electrons only, it is only necessary to illustrate those outer electrons