Multiple Choice
Which of the following best describes how electronegativity values change within groups and across periods in the periodic table?
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10. Periodic Properties of the Elements
Periodic Trend: Electronegativity
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Which of the following elements is the most electronegative?
A
Nitrogen (N)
B
Fluorine (F)
C
Oxygen (O)
D
Chlorine (Cl)
Verified step by step guidance1
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: Nitrogen (N), Oxygen (O), Fluorine (F), and Chlorine (Cl).
Compare their positions: Fluorine is located at the top right of the periodic table (excluding noble gases), which corresponds to the highest electronegativity.
Conclude that Fluorine (F) is the most electronegative element among the options because it is furthest to the right and highest up in the periodic table.
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