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Electronegativity Trend in Periodic Table. FAQs. What is Electronegativity. Electronegativity is the tendency of an atom to attract a pair of electrons in a chemical bond. It is caused by the attractive electrostatic force between the positively charged nucleus and the negatively charged electrons.
Explore how electronegativity changes with atomic number in the periodic table of elements via interactive plots.
Define “electronegativity.” How does electronegativity differ from electron affinity? Why are the electronegativity values of metals generally low? Describe the trend in electronegativities across the periodic table. Describe the trends in electronegativities in a group of the periodic table.
Electronegativity serves as a simple way to quantitatively estimate the bond energy, and the sign and magnitude of a bond's chemical polarity, which characterizes a bond along the continuous scale from covalent to ionic bonding.
You look at the electronegativity of the two elements in the bond, and you calculate the difference. This will tell you how polar the bond is. Learn what is the definition of electronegativity, electronegativity trends on the periodic table and view an awesome electronegativity chart.
Electronegativity Periodic Table Trend. Electronegativity follows a trend (periodicity) on the periodic table. The trend is shown in the graphic (which is also available as a PDF for printing). Electronegativity increases moving left to right across a period, from the alkali metals to the halogens. The noble gases are an exception to the trend.
The electronegativity (χ) of an element is the relative ability of an atom to attract electrons to itself in a chemical compound and increases diagonally from the lower left of the periodic table to the upper right.