once to complete the following paragraphs. anion electrical current galvanic cell anode electrolysis potential difference cathode electrolytic cell voltage cation Chemical changes can be used to produce electrical energy. A system designed to produce electricity from chemical changes is known as a(n) (1)_____________. In a(n) (2)______________, electrical energy is used to bring about chemical changes. A process in which electrical energy is used to decompose a compound into its elements is called (3) __________. The flow of electrons through a system is called a(n) (4)___________________.
Use each of the following terms below just once to complete the following paragraphs.
anion
anode
cathode electrolytic cell voltage
cation
Chemical changes can be used to produce electrical energy. A system designed to produce electricity from chemical changes is known as a(n) (1)_____________. In a(n) (2)______________, electrical energy is used to bring about chemical changes. A process in which electrical energy is used to decompose a compound into its elements is called (3) __________. The flow of electrons through a system is called a(n) (4)___________________.
In an electrochemical cell, electrons travel from the (5) __________, a region of high negative potential, to the (6) _____________, a region of low negative potential. If there is no (7) ____________between electrodes, electric current will not flow. The difference in electrical potential is called (8) __________. The cell conducts electricity as some charged ions move toward one electrode and other charged ions move toward the other electrode. An ion with a positive charge is called a(n) (9)___________ ; an ion with a negative charge is called a(n) (10) ________.
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