# How to Find Oxidation Numbers?

In chemistry, oxidation refers to reactions in which an atom or group of atoms gains electrons. All atoms have oxidation numbers that can be positive, negative or 0, which tell us how many electron... Read More »
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## What Are Bromine Oxidation Numbers?

Bromine is element number 35 on the periodic table, meaning its nucleus contains 35 protons. Its chemical symbol is Br. It is in the halogen group, along with fluorine, chlorine and iodine. It is t... Read More »
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## How to Find the Mean of Numbers?

Find the mean of these! (Yeah, I know it's just a calendar...)In math class, mean is taught usually in elementary school. Mean is basically the same thing as average. Read ahead to see how in the w... Read More »
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## How to Find Percentages of Numbers?

We use percentages almost everyday of our lives. Finding percentages of numbers is useful when shopping to see how big of a discount you will receive. Being able to figure this out saves you time s... Read More »
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## How do I find the average of a set of numbers?

Calculate the total value of the numbers in the set by adding them together. For example, if the numbers 1, 2 and 3 comprise the set, the total value is 1 + 2 + 3, or 6.Divide the total value by ho... Read More »

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