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The sum of oxidation numbers in an uncharged molecule will be 0.

For example, H2O has O2- and 2H+.

1(-2) + 2(+1)=0

The sum of oxidation numbers in a charged species will equal the charge.

For example, HCO3- has H+, C4+, and 3O2-.

1(+1) + 1(+4) + 3(-2) = -1

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15y ago
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9y ago

No, they are not same. Oxidation numbers do not have any correlation with oxygen. For example, let's take a compound with no oxygen in it. In NaCl: the oxidation number of sodium ion is +1 where that of chloride ion is -1.

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15y ago

their relationship is quite complex but they do love each other

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Q: What is the sum of the oxidation numbers in a molecule?
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What is true about the sum of all oxidation numbers?

For a neutral molecule it is zero, for polyatomic ions the sum is the same as the ionic charge.


What is the sum of the oxidation numbers for P2O5?

There are two oxidation numbers. P shows +5 oxidation number.


What is the sum of the oxidation numbers in a neutral compound?

In a neutral compound, the sum of the oxidation numbers of the atoms in the compound is zero.


What is the sum of the oxidation numbers in the phosphate ion?

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Sum of oxidation numbers charge in a compound?

sum will be zero


What is the sum of Oxidation numbers for h2o?

Zero


Sum of all oxidation numbers in a compound?

0 they are neutral


What is the sum of the oxidation numbers in a neutral compound equal to?

0.


What is the sum of all oxidation numbers in any compound?

The oxidation number of oxygen in most compounds is -2.


Why must oxidation numbers be assigned to the elements before writing a chemical formula?

The oxidation numbers of the elements in a chemical formula, some of which will be positive and others of which will be negative, when multiplied by the numbers of atoms with each oxidation number, must produce products that add to a net result of zero.


What is the sum of the oxidation numbers in a neutral compound is always?

It should always be ZERO.


What is the oxidation number of FeSO4?

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