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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are the two ways that ionic compounds can conduct electricity? |
Melting When ionic crystals melt, the ions are free to move and carry electrical charge/ current
Dissolving When ionic crystals dissolve, the ions are free to move and carry electrical charge/current |
What are the two ways to make something an aqueous solution? |
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What does P. A. N. I. C. stand for? |
Positive Anode Negative Is Cathode |
Anode, cathode |
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Are metals positive or negative? |
Metals are always positive and produce anodes. |
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What is aluminium ore called? |
Brauxite (aluminium oxide/A2O3) |
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What does water break into? |
H2O —> H+ + OH- |
Hydroxide ions, hydrogen ions. |
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What does the battery do during electrolysis? |
To provide a current |
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What are the half equations for NaCl+H2O —> H2(g) |
Cathode: 2H++2e- —> Cl2(g)+2e- |
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What charges do cations and anions have? |
Cations- positive Anion-negative |
Onions, Cats |
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What is an anode? |
The positive electrode in electrolysis |
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What is brine? |
Concentrated sodium chloride solution that can undergo electrolysis to produce chlorine gas, hydrogen gas and sodium hydroxide solution. |
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What is a cathode? |
The negative electrode in electrolysis. |
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