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An activity series compares the reactivity of metals and is shown in a table, like the one in figure 2. This along with oxidation and reduction can help us understand our single replacement reactions. A single replacement reaction is a chemical reaction where two elements, one of which is part of a compound, are switched 1. If this reaction occurs between a metal and a compound, then whichever is the most reactive will be replaced by the other, as shown in figure 1. Also shown in this figure is a reaction with a nonmetal and a compound, the two nonmetals switch places in the same way. This often requires balancing the equation afterward, which includes oxidation and reduction of the reactants 2. These are both “half-reactions” 3 that show us an electron transfer within these single replacement reactions. The reduction part is a transfer when electrons are gained and oxidation is when electrons are lost. Oxidation can also help us create an activity series as ties into an atom’s attraction to electrons 2. All of these elements come together in our single replacement reaction. For example, if we have aluminum + iron oxide, the result of our reaction would be aluminum oxide + iron. When we look at the oxidation and reduction, we can see that aluminum transfers three electrons to iron, making aluminum more reactive than iron. By doing this with every reaction, we can achieve the lab objective.The goal of this lab is to create an activity series of the metals by testing single replacement reactions to determine the reactivity. With this data, we can determine the reactivity of metals by observing the reactions. If a reaction does occur, we can use oxidation, which indicates how many electrons will be gained, to figure out the reactivity. If few reactions occur with one metal, we could see that it is less reactive than those that react with many substances. With this, we can create our activity series by writing the metals in order of reactivity.Science, Ck12. “Combustion Reaction.” CK-12 Foundation, CK-12 Foundation, 11 September 2016. Grandinetti, PJ. “Activity Series.” Grandinetti Group, PhySy.”Oxidation-Reduction (Redox) reactions.” Khan Academy.”Activity Series.” CK-12 Foundation, 3 May 2017.


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