Here's why:
* Electricity is the flow of charged particles. It's the movement of electrons or ions (atoms with a positive or negative charge) through a material.
* It's a form of energy. Electricity is a way of transferring energy, similar to heat or light.
So, while you can describe the flow of electricity using concepts like current (the amount of charge flowing per second), voltage (the potential difference driving the flow), and resistance (how much the material resists the flow), there's no single chemical formula for electricity itself.