This energy level model shows two electrons on the first energy level and six electrons on the second energy level. Since this atom has a total of eight electrons ... goes into the third level. 3rd ...

The reaction releases a lot of heat as the ionic compound sodium chloride is formed. A sodium and chlorine atom are near each other. An electron from each atom feels the attraction from the other atom ...

Example: sodium has the electron arrangement 2,8,1. An atom of sodium has 11 electrons. The first two fill the innermost energy level. The second energy level is also full, holding eight electrons ...