Here's why:
* Electricity is the flow of electric charge. This charge can be carried by various particles, like electrons, protons, or ions.
* The nature of electricity depends on the material it flows through. For example, in a copper wire, electricity is carried by the flow of electrons. In an electrolyte solution, electricity is carried by the movement of ions.
Therefore, electricity itself doesn't have a fixed chemical formula or structure. It's a phenomenon resulting from the movement of charged particles.
Think of it this way: electricity is like the movement of water in a river. The river itself doesn't have a specific chemical formula, but it's the flow of water that creates the river. Similarly, electricity is the flow of charge, not a specific substance.