Which part of the atom is involved in chemical reactions?
a. protons.
b. neutrons.
c. nucleus
d. electrons

State the right hand rule of the direction of magnetic field in a conductor carrying current

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

The amount of potential energy possessed by an elevated object is equal to what?