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How does antimony differ from arsenic in electronegativity?

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A labeled periodic table entry for antimony shows its symbol Sb, atomic number 51, atomic weight 121.76, electron configuration, and name. It is a solid, weakly acidic other metal with a rhombohedral crystal structure at room temperature. — antimony Properties of antimony.

In the context of the periodic table, antimony has a lower electronegativity than arsenic.1

Electronegativity, which measures the tendency of an atom to attract electrons, generally decreases as one moves down a group in the periodic table. Because antimony is located below arsenic in the nitrogen group, it is less electronegative, reflecting its more metallic character compared to the nonmetallic properties of arsenic.21