| MadSci Network: Chemistry |
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Why is the ionization energy of phosphorus lower than that of silicon?
This is not a homework assignment. I truly do not understand this concept. There are a few answers on MadSci which I have written, addressing aspects of your question:
But none of these quite address your problem. What does address your problem is a quick consultation of WebElements. This showed me that you are in error; the first ionization energy for phosphorus (1012 kJ/mol) is higher than that for silicon (787 kJ/mol). So everything fits in with the information I gave in the answers above; see especially the first one.
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