Problem 27E
Energy is required to remove two electrons from Ca to form Ca2+ and is required to add two electrons to O to form O2-. Why, then, is CaO stable relative to the free elements?
Section 1 Fund. Facts of Circuit Theory Definitions o Electricity characteristic of the universe that may be used to transmit energy and to transmit information o Charge electric charge is a characteristic of electrons and protons Protons positive charge Electrons negative charge Neutrons no charge o Voltagea measure of the work required to more 1 coulomb of charge btwn 2 points (nodes) in a network o Current measure of time rate of flow of electrical charge through a circuit element Current is through a circuit o Power the time rate at which energy is dissipated in a circuit element o Resistance the volta
