Use the image to complete the statements. an image at left labeled aluminum atom has a mix of red and blue balls in its center and 3 concentric black rings around the center. the inner ring has 2 small green balls on it. the middle ring has 6 small green balls on it. the outer ring has 3 small green balls on it. a blue arrow leads to an image at right labeled aluminum ion with a mix of red and blue balls in its center. 2 concentric black rings around the center. the inner ring has 2 small green balls on it. the middle ring has 6 small green balls on it. the aluminum atom electrons to form an ion. the ion that is formed is .