If the electron configuration of an element is p1s² 2s² 2P5; how many unpaired electrons are there? By: Sunday|Published on: Oct 13|Categories: Chemistry JAMB| 0 comments A. 2 B. 8 C. 1 D. 4 Correct Answer: Option C – 1 Users Also Read These:An element will readily form an electrovalent…The presence of unpaired electrons in an atom of a…How many unpaired electron are in the p-orbitals of…The electronic configuration of an element is 1S²…The element with electron configuration 1s2 2s2 2p 6…SEE ALSO In which of the following compounds is the oxidation number of nitrogen equal to +3?