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Bond Order Calculator

Chemistry
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Calculates the bond order of a molecule based on the number of bonding and antibonding electrons or from the number of bonds between two atoms.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Number of Bonding Electrons and Number of Antibonding Electrons in the units shown.

Step 2

Read Bond Order in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Hydrogen (H2)

Number of Bonding Electrons: 2 electrons; Number of Antibonding Electrons: 0 electrons

Bond Order: 1

Helium (He2)

Number of Bonding Electrons: 2 electrons; Number of Antibonding Electrons: 2 electrons

Bond Order: 0

Oxygen (O2)

Number of Bonding Electrons: 8 electrons; Number of Antibonding Electrons: 4 electrons

Bond Order: 2

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