Answer to Question #343349 in General Chemistry for kris

Question #343349

The noble gas configuration of oxygen is



1
Expert's answer
2022-05-23T14:11:03-0400

The elements in the last group of Periodic Table are called noble gasses. The electron configuration of oxygen is 1s22s22p4. First 2 electrons are electrons of inner shell and the same as a configuration of previews period's noble gas Helium. So, for the sake of simplicity, the configuration of elements are written using a noble gas notation, where it consist element symbol of the last noble gas prior the period where the element is located and followed by the configuration of electrons remained.




O configuration in the noble gas notation is [He]2ss2p4


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