What always travels through the external circuit (wire)in a voltaic cell?
A)Protons
B)Electrons
C)Neutrons
D)Ions

Question

Quizplus · Accepted Answer

Electrons are the only negatively charged particles that can flow through the external circuit of a voltaic cell, from the anode to the cathode, to produce a flow of current. Protons (A) are positively charged and are not able to move through the wire. Neutrons (C) are neutral and do not have a charge, so they cannot contribute to the flow of electricity. Ions (D) can move through an electrolyte solution in the cell, but not through the external circuit.

What Always Travels Through the External Circuit (Wire)in a Voltaic