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| 4. | An activity series could also be created for the halogens. Describe a set of tests that you could perform in order to accomplish this.
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| 5. | Post 1982 pennies have a zinc core with a thin copper outer shell. Using your activity series predict what would happen if a post 1982 penny were put into a solution of hydrochloric acid?
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| 6. | Copper, silver and gold are found in nature as the pure element (not combined with another compound), while lithium, sodium and potassium are never found as the pure element. What does this suggest about the location of these two groups of elements in the activity series? |
| introduction | background | prelab | experiment | postlab |