Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bonds between atoms, with no change to the nuclei (no change to the elements present), and can often be described by a chemical equation.he general concept of a chemical reaction has been extended to reactions between entities smaller than atoms, including nuclear reactions, radioactive decays, and reactions between elementary particles as described by quantum field theory.
Also referred as the Minimum Usage Charge, Base Charge, or Monthly Service Fee, the Customer Charge is a fee assessed by your Retail Electric Provider (REP) when your monthly electricity usage falls short of a minimum kWh requirement.
Each month, your bill for electric service includes the following charges: 1  Energy Charge-For the amount of electricity you use. 2  Electricity is measured in kilowatt-hours (kWh). 3  One kilowatt-hour is equal to the power used by 10 100-watt bulbs for one hour.