Electronegativity Calculator
Convert between Pauling, Mulliken, and Allred-Rochow electronegativity scales.
Calculation Parameters
Specify your chemical inputs.
Calculated Result
Expert Tip
Double check molecular weights and balance equations to ensure stoichiometric ratios are correct.
How this Calculator Works
This calculator computes the electronegativity difference (ΞΟ) between two elements to determine bond polarity. Select the elements from the dropdowns below:
- Element A: The first chemical element (Default: H)
- Element B: The second chemical element (Default: Cl)
The results are computed instantly and updated in the results panel on the right.
Formula & Methodology
Where:
- ΞΟ: Electronegativity difference.
- Ο_A: Pauling electronegativity of Element A.
- Ο_B: Pauling electronegativity of Element B.
Step-by-Step Calculation Example
To calculate the electronegativity difference of a Hydrogen-Chlorine bond manually, follow these steps:
- Identify the input parameters. For example:
- Element A (H) = 2.20
- Element B (Cl) = 3.16
- Apply the formula:
ΞΟ = |2.20 - 3.16| = 0.96
- Verify the calculated value which is updated instantly in the results panel on the right.
Frequently Asked Questions
What is electronegativity? βΌ
Electronegativity measures an atom's ability to attract shared electrons in a chemical bond.
Which element has the highest electronegativity? βΌ
Fluorine has the highest electronegativity value on the Pauling scale (3.98).
How does electronegativity predict bond type? βΌ
ΞEN > 2.0 indicates an ionic bond, 0.4β2.0 indicates polar covalent, and < 0.4 indicates nonpolar covalent.