31. In the non-perturbative regime the bound states are dressed with the electric field, shifting the ionization energy . 32. According to Koopmans'theorem, each such ionization energy may be identified with the energy of an occupied molecular orbital. 33. Each Rydberg series of energies converges on an ionization energy threshold associated with a particular ionic core configuration. 34. Because of their high ionization energy and almost zero electron affinity, they were not expected to be reactive. 35. In most metallic samples the muon's positive charge is collectively reduced-mass and ionization energy to the hydrogen atom. 36. They have a similar ionization energy , which allows for each atom to give up its sole outer electron. 37. For N 2 in contrast, the order of orbital energies is not identical to the order of ionization energies . 38. Cesium has the lowest first ionization energy ( table talk ) 11 : 39, 27 March 2013 ( UTC) 39. Metallic bonding is the usual result among the heavier congenors of boron but this generally requires low ionization energies . 40. Simply put, the lower the principal quantum number, the higher the ionization energy for the electrons within that shell.
