Periodic Trend of Electronegativity
A student reasons that electronegativity decreases down a group because atoms become larger and are therefore more electronegative. Which of the following identifies a flaw in this reasoning?
A
Atom size and electronegativity are directly proportional.
B
Larger atoms are always less electronegative due to their size.
C
Electronegativity decreases due to increased electron shielding, not size.
D
Electronegativity is constant and unaffected by atomic size.
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