... properties of alkali and alkaline earth metals. In many ways the chemistry of Li resembles that of Mg and the chemistry of Be resembles that of AI. This behavior is called ... fEz than Rb. ~ IE8 lEg IE10 84,078 92,038 106,434 23,069 115,380 l31,432 25,496 28,9 32 141,362 Think About It The first ionization energies of Na and Mg are 496 and ... discussed here. There is a distinct pattern to the electron configurations of the elements in a particular group. ee, for example, the electron configurations of Groups IA and 2A in Table...