Account for the decrease in first ionization energy between phosphorou

1.	Account for the decrease in first ionization energy between phosphorous and sulphur.
Answer» <html><body><p></p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/phosphorous-599815" style="font-weight:bold;" target="_blank" title="Click to know more about PHOSPHOROUS">PHOSPHOROUS</a> has a stable <a href="https://interviewquestions.tuteehub.com/tag/half-1014510" style="font-weight:bold;" target="_blank" title="Click to know more about HALF">HALF</a> filled <a href="https://interviewquestions.tuteehub.com/tag/configuration-11827" style="font-weight:bold;" target="_blank" title="Click to know more about CONFIGURATION">CONFIGURATION</a>, so its first ionization energy is <a href="https://interviewquestions.tuteehub.com/tag/higher-1022060" style="font-weight:bold;" target="_blank" title="Click to know more about HIGHER">HIGHER</a> than sulphur. This <a href="https://interviewquestions.tuteehub.com/tag/sort-648643" style="font-weight:bold;" target="_blank" title="Click to know more about SORT">SORT</a> of trend is also observed between nitrogen and oxygen where the former has higher first ionization energy.</body></html>

Account for the decrease in first ionization energy between phosphorous and sulphur.