Multiple Choice
Which statement best describes the relationship between electronegativity and covalent bonding?
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10. Periodic Properties of the Elements
Periodic Trend: Electronegativity
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Which element in Group 15 of the periodic table has the greatest electronegativity?
A
Phosphorus (P)
B
Antimony (Sb)
C
Nitrogen (N)
D
Arsenic (As)
Verified step by step guidance1
Recall that Group 15 elements in the periodic table include Nitrogen (N), Phosphorus (P), Arsenic (As), Antimony (Sb), and Bismuth (Bi).
Understand that electronegativity generally decreases as you move down a group in the periodic table because atoms get larger and the outer electrons are farther from the nucleus, reducing the nucleus's pull on bonding electrons.
Recognize that Nitrogen (N) is at the top of Group 15, so it has the smallest atomic radius and the strongest effective nuclear charge experienced by bonding electrons among the group members.
Use the trend that electronegativity decreases down the group to conclude that Nitrogen (N) has the greatest electronegativity in Group 15.
Therefore, among the options given (Phosphorus, Antimony, Arsenic), Nitrogen has the highest electronegativity because it is higher up in the group.
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