Contrary to its periodic trend, why does sulfur have a lower ionization energy than phosphorus? 1.05K viewsJanuary 3, 2024 Question90.26K February 20, 2020 0 Comments Contrary to its periodic trend, why does sulfur have a lower ionization energy than phosphorus? In: Chemistry 1 Answer ActiveNewestOldest Anonymous Posted February 21, 2020 0 Comments A half full sub shell is slightly more stable than usual. When Sulfur loses an electron, its 3p suborbital becomes half full, so it doesn’t take as much energy to bring it to that state. Register or Login
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