Bond distances in alkali metal halide molecules

The bond in a gaseous alkali metal halide molecule may be ruptured in such a way that one obtains two neutral atoms [Pg.69]

The first process is referred to as homolytic, the second as heterolytic, rupture. [Pg.69]

Since the ionization energies of all elements are higher than the highest electron affinity, the process [Pg.69]

The dissociation energy of each MX(g) molecules is in fact larger than the sum of the dissociation energies of the corresponding M2(g) and X2(g) molecules [Pg.69]

Problem 5.2 Are the bond energies of the alkali metal halides in agreement with the expectation that the strength of a bond between an atom pair AB tends to decrease when A or B - or both - are replaced by a heavier atom in the same group [Pg.69]

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