The electronic configuration of Aluminum is (Ne)(3s) 2 (3p) 1, and it has an atomic radius of 0.143 nm. At room temperature Aluminum has the face-centered-cubic crystal structure with a basis of one ...

On the surface, however, the structure deviates from that ... us to distinguish between oxygen and aluminum atoms on the surface. "The oxygen atom on the tip is repelled by other oxygen atoms ...