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 X has electron configuration 1s² 2s² 2p6…An element with the electron configuration of 1s²…An element will readily form an electrovalent…The element with the electron configuration 1s²2s²2p³ is?The electronic configuration of an element is 1S²…SEE ALSO Calculate the solubility in mol dm-³ of 40g of CuSO4 dissolved in 100g of water at 120°C. [Cu = 64, S = 32, O = 16]