The oxidation number of chromium

Since the oxidation number of Chromium is +3, and the oxidation number of Silicon is -4. Why is the chemical formula for
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2. asked by Cynthia
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The two most common oxidation states are Cr(III) and Cr(VI). Balance the following oxidation-reduction equations that involve
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2. asked by Anonymous
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What is the oxidation number of chromium in K2Cr2O7?I know that K = 1 O=-2 so 7*-2=-14 I do not know what to do now. Thank you
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2. asked by Hannah
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The oxidation number of chromium (Cr) in the dichromate ion (Cr2O72-) isA. +2 B. +4 C. +6 D. +7 E. -2
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2. asked by Rapinder S.
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What is the oxidation number of chromium in K2Cr2O7so k=+1 (2) = 2 O=-2(7) = -14 2x + 1 +(-14) = 0 2x-12=0 x=6 so Cr is 6 Is
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2. asked by Hannah
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When an atom in a reactant gains electrons, what happens to its oxidation number?A. Its oxidation number decreases. B. Its
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When an atom in a reactant loses electrons, what happens to its oxidation number?A. Its oxidation number decreases. B. Its
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Review the following rules for assigning oxidation numbers:- Hydrogen has an oxidation number of +1. - Oxygen has an oxidation
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Review the following rules for assigning oxidation numbers:- Hydrogen has an oxidation number of +1. - Oxygen has an oxidation
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Oxidation Rules Review:1. The oxidation number of an atom in an elemental substance is zero. 2. The oxidation number of a
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