The full energy is negative and inversely proportional to r. This means that it's going to take Strength to drag the orbiting electron away from the proton. For infinite values of r, the Strength is zero, akin to a motionless electron infinitely far with the proton. say obviously is usually http://umtsflatvergleich.de/die-vorteile-der-verwendung-einer-hebebuhne-in-ihrem-trainingsprogramm/