Na in na2s oxidation number
Solution
The oxidation number of Sodium (Na) in Sodium Sulfide (Na2S) is +1.
Here's the step by step process:
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Sodium (Na) is a Group 1 element in the Periodic Table and it always has an oxidation number of +1 in its compounds.
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Sulfur (S) is a Group 16 element in the Periodic Table and it usually has an oxidation number of -2 in its compounds.
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In Sodium Sulfide (Na2S), there are two Sodium (Na) atoms. So, the total positive charge from Sodium is +2 (+1 from each Sodium atom).
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To balance this, the Sulfur (S) atom has an oxidation number of -2.
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Therefore, the oxidation number of Sodium (Na) in Sodium Sulfide (Na2S) is +1.
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