Electrolysis

Electrolysis

Assessment

Flashcard

Science

9th - 12th Grade

Hard

Created by

Barbara White

FREE Resource

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13 questions

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1.

FLASHCARD QUESTION

Front

Electrolysis Noun

[eh-lek-trol-uh-sis]

Back

Electrolysis


The process of using electrical energy to cause a nonspontaneous chemical reaction to occur.

Example: An external power source drives a chemical reaction, causing positive ions (cations) to move to the negative electrode (cathode) and negative ions (anions) to the positive electrode (anode).
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2.

FLASHCARD QUESTION

Front

Electrolytic cell Noun

[eh-lek-tro-lit-ik sel]

Back

Electrolytic cell


An electrochemical cell where an external power source is used to drive a nonspontaneous redox reaction.

Example: This diagram shows an electrolytic cell where a voltage source drives a reaction, causing silver ions (Ag+) to coat a spoon (the cathode).
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3.

FLASHCARD QUESTION

Front

Voltaic cell Noun

[vol-tey-ik sel]

Back

Voltaic cell


An electrochemical cell that generates electrical energy from a spontaneous redox reaction.

Example: This diagram shows a voltaic cell, where two different metals in solutions are connected by a salt bridge to generate electricity, measured by a voltmeter.
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4.

FLASHCARD QUESTION

Front

Anode Noun

[an-ohd]

Back

Anode


The electrode at which oxidation occurs; in an electrolytic cell, it is the positive terminal.

Example: In electrolysis, the anode is the positive electrode that attracts negative ions and is where electrons leave the electrolyte to enter the external circuit.
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5.

FLASHCARD QUESTION

Front

Cathode Noun

[kath-ohd]

Back

Cathode


The electrode at which reduction occurs; in an electrolytic cell, it is the negative terminal.

Example: In electrolysis, the cathode is the negative electrode that attracts positive ions (cations) and receives electrons from the external circuit to cause reduction.
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6.

FLASHCARD QUESTION

Front

Electrolyte Noun

[eh-lek-tro-lyt]

Back

Electrolyte


A substance whose ions are free to move and can conduct electricity when molten or dissolved in water.

Example: An electrolyte is a compound that separates into positive (cations) and negative (anions) ions when dissolved in water, creating a solution that can conduct electricity.
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7.

FLASHCARD QUESTION

Front

Down's cell Noun

[dounz sel]

Back

Down's cell


An electrolytic cell used for the industrial production of sodium metal and chlorine gas from molten sodium chloride.

Example: This diagram shows a Down's cell, where electricity separates molten salt (NaCl) into liquid sodium metal and chlorine gas using an anode and cathode.
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