What is electronegativity difference chart?

An electronegativity difference chart is a graphical representation of the differences in electronegativity values between different elements. Electronegativity is a measure of an element's ability to attract electrons in a chemical bond. The electronegativity difference chart helps to determine the polarity of a bond and predict the type of chemical bonding that will occur between two elements.

What are the types of electronegativity difference chart?

There are two main types of electronegativity difference chart: graphical chart and tabular chart. The graphical chart represents the electronegativity difference values using a visual plot, while the tabular chart presents the electronegativity values in a structured table format.

Graphical chart
Tabular chart

How to complete electronegativity difference chart

Completing an electronegativity difference chart involves the following steps:

01
Identify the two elements involved in the chemical bond.
02
Find the electronegativity values of each element.
03
Calculate the difference in electronegativity values.
04
Refer to the electronegativity difference chart to determine the type of bond based on the calculated difference.
05
Record the type of bond in the chart.

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Video Tutorial How to Fill Out electronegativity difference chart

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Questions & answers

Subtract the two electronegativity values and you will have the electronegativity difference of the two elements or atoms. Three different conditions determine the type of chemical bond that the selected elements may form. If the electronegativity difference is less than 0.4, the bond is covalent.
Hence, the correct order is: Na<Mg<Br<F.
Hence fluorine is most electronegative and carbon is least electronegative.
The order of electronegativity is F>O>Cl>Br>S>I>C>P>H.
Hence the electronegativity of cesium is the lowest. The electronegativity of cesium is 0.659.
In general, electronegativity increases from left to right across a period in the periodic table and decreases down a group. Thus, the nonmetals, which lie in the upper right, tend to have the highest electronegativities, with fluorine the most electronegative element of all (EN = 4.0).