Oxidation Number Calculator

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✖The Number of Electrons in Valence Shell can be defined as the number of electrons that an atom has in its valence shell.ⓘ Number of Electrons in Valence Shell [Ne_{Valence Shell}]			+10% -10%
✖The Number of Electrons Left After Bonding can be defined as the number of electrons that an atom is left with it after bonding with other atoms.ⓘ Number of Electrons Left After Bonding [Ne_{After Bonding}]			+10% -10%

✖Oxidation Number, also called oxidation state, the total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom.ⓘ Oxidation Number

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Formula

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Oxidation Number

Formula

`"Oxidation number" = "Ne"_{"Valence Shell"}-"Ne"_{"After Bonding"}`

Example

`"2"="7"-"5"`

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Oxidation Number Solution

STEP 0: Pre-Calculation Summary

Formula Used

Oxidation Number = Number of Electrons in Valence Shell-Number of Electrons Left After Bonding
Oxidation number = Ne_{Valence Shell}-Ne_{After Bonding}
This formula uses 3 Variables

Variables Used

Oxidation Number - Oxidation Number, also called oxidation state, the total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom.
Number of Electrons in Valence Shell - The Number of Electrons in Valence Shell can be defined as the number of electrons that an atom has in its valence shell.
Number of Electrons Left After Bonding - The Number of Electrons Left After Bonding can be defined as the number of electrons that an atom is left with it after bonding with other atoms.

STEP 1: Convert Input(s) to Base Unit

Number of Electrons in Valence Shell: 7 --> No Conversion Required
Number of Electrons Left After Bonding: 5 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Oxidation number = Ne_{Valence Shell}-Ne_{After Bonding} --> 7-5

Evaluating ... ...

Oxidation number = 2

STEP 3: Convert Result to Output's Unit

2 --> No Conversion Required

FINAL ANSWER

2 <-- Oxidation Number

(Calculation completed in 00.004 seconds)

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Home » Chemistry » Mole Concept and Stoichiometry » Equivalent Weight » Oxidation Number

Credits

Created by Shivam Sinha

National Institute Of Technology (NIT), Surathkal

Shivam Sinha has created this Calculator and 300+ more calculators!

Verified by Akshada Kulkarni

National Institute of Information Technology (NIIT), Neemrana

Akshada Kulkarni has verified this Calculator and 900+ more calculators!

< 15 Equivalent Weight Calculators

Number of Electrons Left after Bonding

Go Number of Electrons Left After Bonding = Number of Electrons in Valence Shell-Oxidation Number

Number of Electrons in Valence Shell

Go Number of Electrons in Valence Shell = Oxidation Number+Number of Electrons Left After Bonding

Oxidation Number

Go Oxidation Number = Number of Electrons in Valence Shell-Number of Electrons Left After Bonding

Number of Moles of Electron Gained using Equivalent Weight of Oxidizing Agent

Go Number of Moles of Electrons Gained = Molar Mass of a chemical compound/Equivalent Weight

Equivalent Weight of Oxidising Agent

Go Equivalent Weight = Molar Mass of a chemical compound/Number of Moles of Electrons Gained

Number of Moles of Electron Lost using Equivalent Weight of Reducing Agent

Go Number of Moles of Electrons Lost = Molar Mass of a chemical compound/Equivalent Weight

Equivalent Weight of Reducing Agent

Go Equivalent Weight = Molar Mass of a chemical compound/Number of Moles of Electrons Lost

Relative Atomic Mass

Go Relative Atomic Mass = (Mass of Carbon Atom*12)/Mass of Carbon Atom

Valency Factor given Equivalent Weight

Go Valency Factor = Atomic Weight/Equivalent Weight

Basicity given Equivalent Weight

Go Basicity = Molar Mass of Base/Equivalent Weight

Equivalent weight for base

Go Equivalent Weight = Molar Mass of Base/Basicity

Acidity given Equivalent Weight

Go Acidity = Molar Mass of Acid/Equivalent Weight

Equivalent Weight for Acids

Go Equivalent Weight = Molar Mass of Acid/Acidity

Equivalent Weight

Go Equivalent Weight = Molecular Weight/N Factor

Molecular Weight

Go Molecular Weight = Equivalent Weight*N Factor

Oxidation Number Formula

Oxidation Number = Number of Electrons in Valence Shell-Number of Electrons Left After Bonding
Oxidation number = Ne_{Valence Shell}-Ne_{After Bonding}

What does oxidation number specify?

Oxidation number in simple terms can be described as the number that is allocated to elements in a chemical combination. The oxidation number is basically the count of electrons that atoms in a molecule can share, lose or gain while forming chemical bonds with other atoms of a different element. The oxidation number is also referred to as the oxidation state.

On what property does the oxidation number depend?

Sometimes these terms can have a different meaning depending on whether we are considering the electronegativity of the atoms or not. The oxidation number term is used frequently in coordination chemistry.

How to Calculate Oxidation Number?

Oxidation Number calculator uses Oxidation Number = Number of Electrons in Valence Shell-Number of Electrons Left After Bonding to calculate the Oxidation Number, The Oxidation number formula is defined as the difference between the number of electrons in the valence shell and the number of electrons left after bonding. Oxidation Number is denoted by Oxidation number symbol.

How to calculate Oxidation Number using this online calculator? To use this online calculator for Oxidation Number, enter Number of Electrons in Valence Shell (Ne_{Valence Shell}) & Number of Electrons Left After Bonding (Ne_{After Bonding}) and hit the calculate button. Here is how the Oxidation Number calculation can be explained with given input values -> 2 = 7-5.

FAQ

What is Oxidation Number?

The Oxidation number formula is defined as the difference between the number of electrons in the valence shell and the number of electrons left after bonding and is represented as Oxidation number = Ne_{Valence Shell}-Ne_{After Bonding} or Oxidation Number = Number of Electrons in Valence Shell-Number of Electrons Left After Bonding. The Number of Electrons in Valence Shell can be defined as the number of electrons that an atom has in its valence shell & The Number of Electrons Left After Bonding can be defined as the number of electrons that an atom is left with it after bonding with other atoms.

How to calculate Oxidation Number?

The Oxidation number formula is defined as the difference between the number of electrons in the valence shell and the number of electrons left after bonding is calculated using Oxidation Number = Number of Electrons in Valence Shell-Number of Electrons Left After Bonding. To calculate Oxidation Number, you need Number of Electrons in Valence Shell (Ne_{Valence Shell}) & Number of Electrons Left After Bonding (Ne_{After Bonding}). With our tool, you need to enter the respective value for Number of Electrons in Valence Shell & Number of Electrons Left After Bonding and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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