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9 Cards in this Set
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Oxidation #0
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Elementary substances such as Cl in Cl2, Oxygen in O2, and Barium in Ba
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Oxidation # 1
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Group 1A atoms, such as NaCl. Also, Hydrogen as in the element itself and when it is compounded with a nonmetallic element
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Oxidation #2
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Group IIA Atoms, such as BaCl2
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Oxidation # -1
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Fluorine in all compounds, and also for chlorine bromine, and iodine when there is only one other element compounded with it, such as NaCl and MgI2
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Oxidation # -1
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This oxidation number is also included in Oxygen compounds that are peroxides and superperoxides, such as H2O2 and Na2O2 (Same base numbers)
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Oxidation # -1
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Hydrogen in a hydride compound, such as NaH, also have the oxidation number of -1. Due to Na being a metallic elements, the compound it makes with Hydrogen is metallic, making it a hydride.
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Oxidation # -2
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Oxygen in a compound, such as Al203 and Mg0, has an oxidation number of -2. The exception is when it is a peroxide or a super peroxide
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If you have a compound, what are the sums of the oxidation numbers of the atoms in the compound?
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Zero
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If you have a polyatomic ion, what do the oxidation numbers of the atoms add up to?
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The charge on the ion.
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