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Using the Pauling electronegativity scale, which of the following elements is the most electronegative?
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10. Periodic Properties of the Elements
Periodic Trend: Electronegativity
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Which element among the halogens has the highest electronegativity?
A
Bromine (Br)
B
Chlorine (Cl)
C
Iodine (I)
D
Fluorine (F)
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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 that halogens are elements in Group 17 of the periodic table, including Fluorine (F), Chlorine (Cl), Bromine (Br), and Iodine (I).
Know the general trend of electronegativity in the periodic table: it increases across a period from left to right and decreases down a group from top to bottom.
Since halogens are in the same group, compare their positions vertically: Fluorine is at the top, followed by Chlorine, Bromine, and Iodine going down the group.
Conclude that Fluorine, being at the top of the halogen group, has the highest electronegativity among the halogens.
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