Answer:
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A reactivity series is used to rank the chemical reactivity of a group of metals from most reactive to least reactive.
Step-by-step explanation:
The reactivity series is a series of metal elements, and sometimes carbon and hydrogen, that is arranged according to their reactivity. A reactivity series is typically a vertically presented model with the most-reactive element placed at the top of the series and the least-reactive element placed at the bottom.
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