Which of the following statements regarding resonance structures is true?

1) They differ only in their arrangement of electrons.

2) The true structure is a hybrid of possible resonance structures.

3) Different resonance structures are in equilibrium with each other.

4) All resonance structures must be equivalent.

Different resonance structures are in equilibrium with each other. c brAinest plese

Explanation:

a force of 500                  

if two electrons have the same n, the same ℓ, and the same ml, then they are in the same orbital. the pauli exclusion principle states that no two identical fermions (a fancy word for electrons and other subatomic particles like electrons) may occupy the same quantum state in an atom simultaneously.