RESULTS AND DISCUSSION.
For example, consider two quantum states (actually existing) are described by wave functions ψ1 and ψ2. From the principle of superposition [1, p. 21] it should be clearly, that their linear combination (ψ3 = C1ψ1 + C2ψ2) will be the third quantum state (as actually existing), which will be described by a wave function ψ3. What does it mean? The fact that the measurement of a certain physical value d in the state |ψ1> will result d1, and for measure a value for of d in the state |ψ2> will result d2. When the third quantum state |ψ3> is realized, then when measuring a physical quantity, the quantum system will take the values d1 and d2 with probabilities, respectively, |C1|^2 and |C2|^2. That is, in a quantum state |ψ3> when we will have many dimensions sometimes d1 value and sometimes d2 (with certain known frequency). But this is in resonance theory can not be.
We describe for simplicity resonance of two Kekule structures (resonance structures) excluding structures Dewar. Then, the resonance theory it is assumed that |ψ1> is a quantum state 1, which is describes a resonance structure 1 and |ψ2> is a quantum state 2, which is describes a resonance structure 2.
Wave functions ψ1 and ψ2 for the resonance structures 1 and 2 (Kekule structures):