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Which statement is true about electronegativity?
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10. Periodic Properties of the Elements
Periodic Trend: Electronegativity
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Which element has the greatest electronegativity?
A
Chlorine (Cl)
B
Nitrogen (N)
C
Fluorine (F)
D
Oxygen (O)
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Understand that electronegativity is a measure of an atom's ability to attract and hold onto electrons in a chemical bond.
Recall the general trend of electronegativity on the periodic table: it increases from left to right across a period and decreases from top to bottom within a group.
Identify the positions of the given elements on the periodic table: Fluorine (F), Oxygen (O), Nitrogen (N), and Chlorine (Cl).
Compare their positions: Fluorine is in period 2, group 17; Oxygen and Nitrogen are in period 2, groups 16 and 15 respectively; Chlorine is in period 3, group 17.
Conclude that since electronegativity increases across a period and decreases down a group, Fluorine, being at the top right (excluding noble gases), has the greatest electronegativity among the options.
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