And with this, one again obtains the, to all systems applicable, reaction-kinetic picture of adduct-formation or pre-bonding, saying that at the approach of partners up to atomic distance, new interaction forces appear, so that the original "constitution" can no longer persist, the old relations between the parners vanish, and new -- initially inter-molecularly produced through rest-valences -- relationships become new chief bondings in the adduct (pre-bond).